One shelf in the New York Public library can hold 63 books. The New York Public library has 69 books. Enter the number of shelfs needed to store all of the books away.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up