a book store is having a 25% off sale. You buy three books, priced at $7.50, $12.75 and $19.00 after the discount and 9% sales tax what would you pay

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

What is the measure of the smallest angle in the diagram? 15 29 32 45