The last customer of the day is a loyal customer who brings in a $15.00 off coupon. She purchases 2 paint brushes, one dozen colored pencils, and one sketch book = 45$ What percent did she save by using her coupon?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

How do i find the missing angle measure in a polygon

24m^2n+30mn^2+18mn, a sweet challenge!