$$\frac{\sqrt{x}\cdot x^{\frac{5}{6}}\cdot x}{\sqrt[3]{x}}$$

If ${\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">x</span>}}^{\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">n</span>}}$ is the simplified form of the expression above, what is the value of $n$?

$$\{\begin{array}{l}x+3y\le 18\\ 2x-3y\le 9\end{array}$$

If $<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">(</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">a</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">,</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">b</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">)</span>$ is a point in the solution region for the system of inequalities shown above and $\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">a</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">=</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">6</span>}$, what is the minimum possible value for $b$?

Which of the following best describes the type of association shown in the scatterplot above? 

Margo surveyed all the students in the government classes at her school to see what they thought should be the most important concern of a national government. The results of the survey are shown in the figure above. If the ratio of students who answered "Foreign Policy" to those who answered "Environment" was 5:3, what percentage of the students answered "Environment"?

Margo surveyed all the students in the government classes at her school to see what they thought should be the most important concern of a national government. The results of the survey are shown in the figure above. If the ratio of students who answered "Foreign Policy" to those who answered "Environment" was 5:3, what percentage of the students answered "Environment"?

Each of the following quadratic equations represents the graph shown above. Which equation reveals the exact values of the $x$-intercepts of the graph?

An electrician charges a one-time site visit fee to evaluate a potential job. If the electrician accepts the job, he charges an hourly rate plus the cost of any materials needed to complete the job. The electrician also charges for tax, but only on the cost of the materials. If the total cost of completing a job that takes $h$ hours is given by the function $\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">C</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">(</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">h</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">)</span><span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">=</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">45</span>}\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">h</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">+</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">1.06</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">(</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">82.5</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">)</span><span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">+</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">75</span>}$, then the term $\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">1.06</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">(</span>\mathrm{<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">82.5</span>}<span\; style="font-family:\; "Times\; New\; Roman";\; font-size:\; 14px;">)</span>$ represents

Oceans, seas, and bays represent about 96.5 percent of Earth's water, including the water found in our atmosphere. If the volume of the water contained in oceans, seas, and bays is about 321,000,000 cubic miles, which of the following best represents the approximate volume, in cubic miles, of all the world's water?