Zac collected 4 pounds of aluminum cans. Brittney collected 1 and 1/3 times as many pounds as Zac. Eduardo collected 7/8 as many pounds as Zac. How many pounds of aluminum cans did the three children collect all together?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie