janet paints 3/4 of a wall in 1/4 hour. at the same rate, how many walls can she paint in 1 hour?

a: 12
b: 3
c: 2 2/3

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)