This is pretty much a "common sense" question. It'd be best to get rid of the dirty sanitizing water and start fresh; in other words, he should change (throw out) the dirty water and make a fresh sanitizer.
By the way, this is the Math section; next time, please choose a different section more suited to your questions.
Answer:
Step-by-step explanation:
C
Answer:
k
Step-by-step explanation:
The answer is forty inches
Answer:
1065 cubic mm
Step-by-step explanation:
split the shape into two cuboids
V = L x W x H
17 - 10 = 7
19 X 5 X 7 = 665
19 - 11 = 8
8 X 5 X 10 = 400
add together
655 + 400 = 1065 cubic mm