Jillian decides to sell home-made masks in her neighborhood. The materials cost her $5 per mask, so to make a profit she decides to mark up the mask 125%. How much will she sell the masks for?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

17 in long 1.3 ft wide and 8in high what is the volume

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.