If $315 is invested at an interest rate of 3% per year and is compounded continuously, how much will the investment be worth in 9 years? Use the continuous compound interest formula: A = Pert.

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax