Question

i didn't get the part b what they want?

Answer 1

http://prntscr.com/d68np5

Answer 2

the slope is -2 thousand gallons per minute

the sign just determines which direction the water is entering or leaving, its negative so water is being drained

Answer 3

its asking, in 1 minute

how many gallons are drained?

Answer 4

so 2 ?

Answer 5

look at the units assigned to the slope

Answer 6

compare that to the units in part b

Answer 7

it goona be -2000?

Answer 8

just 2000

Answer 9

oh yeah it can't be negative