Factor completely, then place the answer in the proper location on the grid. Write the answer in descending powers of a.

4a4 + 6a3b2 + 2a2b3

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.