Answer:
-2, -4, 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
Number of blue marbles = 8
Total number of marbles = 16+8+7+1=32

Answer:
See below.
Step-by-step explanation:
Step 3 should be: 576pi / 64pi = 64pi h / 64pi
Step 4: 9 = h.
I would say C and D.