7x10 to the power of 6

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit