The Great Pyramid of Cheops is a square- based pyramid. The base has sides of 230 m,
and the height is 147 m.
Using the same material, what would the height
be if you gave the base sides of 210m
height to the nearest m

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

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)