Given the function f(x) =5(x+4)-6 solve for the inverse function when x=19

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

How can writing phrases as algebraic expressions you solve problems?

What is the area of the shaded sector?