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which variable is discrete?
height of a bike
distance traveled on a bike in miles
number of bikes sold
length of a bike

What does x = in this equation x+3+2x=x+5

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

Having a hard time understanding this question (see attachment).