Can someone tell me if my answer is right or wrong please!

Find the area of the unshaded square

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.

Find two numbers if their sum is 91 and the ratio is 6: 7?