C is the answer. if the water is being pumped out then the height of the water would decrease.
I think Its C because in the frequency table or table given if the heads are counted there are 6 of them and over all 10 which will make 6/10
Answer:
b equals 20
Step-by-step explanation:
b - 13 = 7
7 + 13 = b
7 + 13 = 20
Answer:
.166x + .5 = .5x +.5
Step-by-step explanation: