To be able to do the problem 5(10 + 4) mentally, zack does 50 + 20 instead of 5(14).
zack is using which of the following properties?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Find the multiplicative inverse of 8-12i