Help me my brain is goin a bit crazy.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

What is the range for 31,39,29,34,37,24,36,33,34,28