Jon borrows $5.50 from his friends to pay for snacks, and $12.75 from hud sister to go to the movies. how much money does he need to repay?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

The trigonometric ratios sine and secant are reciprocals of each other

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c