What is the y intercept of f(x)=(x-2)^2-4

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?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y