You put $5,000 in a simple interest account at a bank. you will earn $1,200 in just 4 years. what is the annual interest rate for the account?

Astudent simplified a rational expression as shown.

Can anyone me with 32,33,36,37,and 40.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?