Find the Mean Absolute Deviation of the following set:
53, 47, 38, 42, 65

Please help!!

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.