The ratio of a basketball player's completed free throws to attempted free throws is 4 to 7. if she completed 12 free throws, find how many free throws she attempted.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

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?