Write a real world situation that could be represented by 15 + c = 17.50. then solve the equation and describe what your answer represents for the problem situation

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

Provide all steps given to find the answer. simplify: 5(2x+9)²

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12% d. 46.83%