I urgently need help

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

Will give a: 122 b: 90 c: 48 d: 180

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42