Evaluate -b*2--2bx*2-x when x=2

Which of the choices shown could be used to prove that aacp=abcp ?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes