Use the elimination method to solve the system of equations. Choose the correct ordered pair.
12x - y - 25
9x+y = 17
O A. (2-1)
O B. (3,-2)
O C. (1,-2)
O D. (-2,3)

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Match each expression with its simplified form.

Michelle had a birthday party. she bought a bag of candy with 96 starbursts, 72 hershey's, and 68 reese's. she wants to use all the candy she bought to make goody bags with the same amount of starbursts, hershey's and reese's in each bag. what is the largest number of bags she can make?