2.3 x 4.5

Please help! Im not sure if it did it right!

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

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2