Identify domain and range. roller coaster reaches max speed 75mph. ride lasts 3 min

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

Select the lengths in centimeters that would form a right triangle

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?