To sample the class, you split the room into 11th graders and 12th graders. You then select at random 3
11th graders and 3 12th graders. What type of sampling
did is this?
Explain your choice:

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

How do i do this? i don’t understand

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11