What is the area of this figure? 3 ft 15 ft 20 ft 17 ft 5 ft 20 ft square feet

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?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?