Write an equation that goes through (4,3) and is parallel to 2y+8x=20

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?