Find the measures of the interior angles of the triangle

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

How do you find principle and simple interest

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