*emergency* solve these, will give top score to who answers in full

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

What expression is equivalent to log3(x+4)

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.