Aline passes through the point (-7,5) and has a slope of 1/2 which is another point that the line passes through

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?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

How many terms does the polynomial x^2 y^2 have