A barber working 8hours a day must make $10 an hour to cover his expenses. Suppose he makes $12 per haircut. How many haircuts must he do each day (8 hours) to ensure he will cover his expenses

Solve the system, using substitution. 3a-b = 11, 2a+3b=0.

What does - m+8=4m-7 equal

18/30 reduce into fraction

Emma buys a game for $26.84. She pays for the game with a $20 bill and two $5 bills. How much change should she receive? - $3.16 List the change in coins and bills. - ?

What number sentence is always true

The measures of two supplementary angles have a ratio of 3:5. what is the measure of the smaller angle?

If f (x) = 3x^2-2 and g (x) = 4x+2 what is the value of f+g 2

Steps to solve Tangent of 5π/4

In a group of students 25% are enrolled in physics, 23% in sociology, 17% in chemistry, 14% in political science, 12% in anthropology, and 9% in math. you are going to select an individual from the group of students.

Joe is commissioned to build a small rectangular garden area on community property. The landscape committee requested that the garden be 10 feet longer than it is wide. Joe has up to 90 feet of material to use for the perimeter.