Thirty points not even kidding

two trains leave the city at 3 pm one train goes east at a rate of 70 mph the other goes west at 62 mph how long will it take the trains to be 528 miles apart

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Explain how you can use the associative property to evaluate (7x50)x4.

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