How do i isolate y in 4x - 2y = 22?

Why do interests rates on loans to be lower in a weak economy than in a strong one

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.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122