Write an algebraic expression for
three times a number plus 15

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x