identfiy an equation in point slope form for the line perpendicular to y= -2x+8 that passes through (-3,9)

Solve 2x+y=3 x+y=5 in substitution method

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 midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square