Which expressions are equivalent to -56z+28 ? 1/2 ⋅(−28z+14)
(−1.4z+0.7)×40
(14−7z)⋅(−4)
(8z−4)(−7)
−2(−28z−14)

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.