U=k-a , for a

please help!!

Solve the x in the equation x^2+14x+17=-96

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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.