X + a = yb solve for y

There are 18 students in me. alvarezs art class. Throughout the year every student must pair up with every other student to complete a project. How many projects will be finished?

Liz and Sara are making cookies for a bake sale. The graph shows the number of cookies that Liz bakes during a 5-hour period.

A jar contains 76 coins consisting of dimes and quarters, worth a total of $13.90. How many dimes are in the jar? Type in your numerical answer only: do not type any words or letters with your answer.

F (x) = (x + 3) (x - 7)

A class as 6 boys and 15 girls. What is the ratio of boys to girls

Four oranges and five apples cost $2. three oranges and four apples cost $1.56. Find the cost of an orange and the cost of an Apple.

12. A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?

Mato is draining a pool at a rate of 1/8 of a gallon of water every 1/2 hour. If he continues to drain the pool at this rate, how much water will be drained in 1 hour?

How do you represent real world problems involving ratios and rates with tables and graphs?

True or False? A negative sign in front reflects the parabola over the x axis.