Keisha says each of the following expression is actually a binomial in disguise: 1. 5x^2 + 8x + 7x^ 2 - 4x
2. (4x^3 - 9+ 3x) - (-7x^3 +3x +2)
3. 8x^2- 4x+4

Is she right about each expression and explain why.

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)