What is the perimeter of a rectangle with sides of 4 inches by 8 inches?​

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years