Martin lifted weights in the gym, Monday thru Friday, for 20 weeks. each day he did 25 repetitions. how many repetitions did he do over the course of 20 weeks? then round the answer to the nearest thousand.

What's the difference between: x≥0 and nonnegative integer. ?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick