What's the area of a square computer screen with 21-inch sides? a. 220 sq. in. b. 441 sq. in. c. 42 sq. in. d. 84 sq. in

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.