8. what is the solution to the system of equations?
-2x-3y+z=-6
z=6
3x-y+z-13
(3, 2, 6)
(3, 2, -6)
(-3, 2, 6)
(3,-2, 6)

Solve the system of equations y= 3/2 - 1, -x+ y =-3

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?