Answer:
21 is a composite number
Step-by-step explanation:
It is a composite because multiple numbers can go in it like 3 and 7 so it is a composite number
If 281 gallons go thru in 1 hr......then in 94 hrs, (94 * 281) = 26414 gallons go through
39 is A
40 is D
And that is my answer
It's too blurry take another picture
