A jacket costs £55.25 in a 15% off sale. What was the pre-sale price? please provide a step by step answer.

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

27 is what percent of 108? 27 is % of 108

Explain how you can use the associative property to evaluate (7x50)x4.