Can someone help me wit som questions ill mark brainlist

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.