x+yz
when x=4 y= -2 z= 4/5
explain on how you got your work.

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

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Find the slope of the line passing through a pair of points