If you have 127 pencils how many more pencils do you need to make 200 pencils

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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