Please help fast...
10 question on triangles and please show your work...

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?