Answer:
Step-by-step explanation:
To find the number of different ways she can stack 3 of them in a tower, we need to use the formula:

n = 4
k = 3





Rectangle. I hope this helps.
Answer:
There are many possible solutions. Here are some:
(-2,12) (2,2) (6,1) (10,0) (-6,4)
Step-by-step explanation:
hope it helps
I think it’s D but not completely sure!