The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers?

What is the value of x in the following equation. -x ^3/2 = -27

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.