ACT Math

The length of an edge of a cube is equal to half the height of a cylinder that has a volume of 160π cubic units. If the radius of the cylinder is 4 units, what is the surface area of the cube?A . 64 square unitsB . 96 square unitsC...

The value of d is increased 50%, then decreased 50%. Compared to its original value, the value of d is now:A . 25% smaller.B . 25% larger.C . 50% smaller.D . 50% larger.E . the same.View AnswerAnswer: A Explanation: To increase d by 50%, multiply d by 1.5: d =...

is equivalent to:A . B . C . D . E . View AnswerAnswer: A Explanation: When a base is raised to a fractional exponent, raise the base to the power given by the numerator and take the root given by the denominator. Raise the base, a , to the...