Factor completely:
c
2ax^2 –2ay^2

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Which graph represents the parent function of y=(x+2)(x-2)