What polynomial must be added to x^2 – 2x + 6 so that
the sum is 3x^2 + 7x ?
a. 4x^2 + 5x + 6
b. 3x^2 + 9x + 6
c. 3x^2 + 9x – 6
d. 2x^2 + 9x – 6
e. 2x^2 – 5x + 6

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?