Find the surface area of a cone if the height is 12 inches and the diameter is 27 inches.

Determine the volume to the nearest cubic unit. cone r=20 in. h=25 in.

To test if the graph of a polar equation may be symmetric with respect to the polar axis, replace $\theta$ by _____.

The Great Pyramid outside Cairo , Egypt, has a square base 6 cm measuring 756 feet on a side and a height of 480 feet. a. What is the volume of the Great Pyramid, in cubic yards? b. The stones used to build the Great Pyramid were limestone blocks with an average volume of 1.5 cubic yards. How many of these blocks were needed to construct the Great Pyramid?

List the dynasties that prevailed in the kingdom of Songhai.

On a sunny summer day, with the sun overhead, you can stand under a tree and look on the ground at the pattern of light that has passed through gaps between the leaves. You may see illuminated circles of varying brightness. Why are there circles, when the gaps between the leaves have irregular shapes?

What was the Chinese attitude toward European products?

How did the Reformation deepen rivalries between European nations?

Why did European exploration expand dramatically in the fifteenth century?

Lobster traps are designed so that a lobster can easily get in, but cannot easily get out. Can a diathermic wall be created that al- lows heat to flow through in one direction only? Explain.

Right after Cindy buys a frozen yogurt cone, her friend Maria calls her, and they talk for so long that the frozen yogurt melts before Cindy can eat it. The cone has a slant height of $3.9 \mathrm{in}$. and a diameter of $2.4 \mathrm{in}$. If the frozen yogurt has the same volume before and after melting, and when melted just fills the cone, how much frozen yogurt did Cindy have before she talked to Maria, to the nearest tenth of a fluid ounce?

Find the volume of the cone in cubic inches.

Quand il sera en Europe

aller a Bruxelles

Indicate the best answer by writing the appropriate letter.

A cone has radius 5 and height 12. A cylinder with radius 10 has the same volume as the cone. What is the cylinder's height? a. 1 b. 2 c. 3 d. 4

The equations of parabolas, circles, ellipses, and hyperbolas are given. Grapph the equation.

$$x^2/25-y^2/49=1$$