Question

question in attachment.

Answer 1

Definite integration.

Answer 2

i noe the answer
but dont noe how to get it

Answer 3

and ive tried integration but dont get the right answer.

Answer 4

I am not sure if I can put this word problem as an integral because it has some area excluded. I think @experimentX is good at word problems like such.

Answer 5

okay i'll message experimentX

Answer 6

put y=12 and get the upper bound for your integration.