In an equation, y varies directly is a x varies. If y =86 when x=20, what is the value of x when y=129?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

It says factor each expression 49x-28?

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