Its the first one A................
Answer:
c is
Step-by-step explanation:
If 80% of C is 20, 40% of C is 10, 20% is half of that, so 5
20% x 5 = 100%
5 x 5 = 25
C = 25
Answer:
520 feet.
Step-by-step explanation:
She descended 520 feet because if she started from 540 and ended at 20, we can do 540-20=520 feet.
IT SHOULD BE 240,000
OR
66.667%
I believe it is -4xy + 9y^2 - 10