What is the equation of the horizontal line that passes through (2,-2)?

a. y = 2
b. y = -2
c. x = 2
d. x = -2

Solve the equation by completing the square. x^2+2x=17

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36