Simplify (–x2 +5) – (3 – 4x2)

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?