Euler's formula, V - E + F = 2, relates the number of vertices V, the number of edges E, and the number of faces F, of a polyhedron. Solve Euler's formula for E.

A cylinder has a radius of 12 m and a height of 8 m. What is the approximate surface area of the cylinder? Use 3.14 for π. Use your calculator to solve. Surface area of a cylinder can be found using the formula SA = 2πr2 + 2πrh.

How much gravity is done by a workman carrying a 8kg sheet plywood up a 3m ramp inclined at an angle of 20 degrees to the horizontal?

1 4/5 cm by 4 2/5 cm

Solve the following equations enter x-coordinate of the solution round to the nearest tenth 5y+2y=22 -2y+6y=3

What is 2/3 + 2/3 for oatmeal

The lengths of the legs of a right triangle are consecutive even integers. The hypotenuse is 58 inches. What is the sum of the lengths of the legs in inches?

In the XYZ contest, a school may enter 1, 2, 3 or at most 4 teams. Suppose 247 teams are entered in the XYZ contest. What is the smallest number of schools that could have entered the XYZ contest?

Is the number 5 prime composite, nethieror prime

At a basketball game, a vender sold a combined total of 225 sodas and hot dogs. The number of sodas sold was 49 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold

Is 2/8 greater than 8/12