Adepartment store is having a 15% off sale on all winter coats. you purchase a winter coat for $275. the department store is located in a county with 7.25% sales tax.

how much money will you save on your coat?
need to know how to solve it?

Which is an equation for the nth terms of the sequence 12,15,18,21

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?