(2x5) + (6x7) -20 +3 x 3 = x what is x? this is just for fun

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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.