Given the integral of (1/(1+9x^2)dx taking u =3x.
use integration by substitution

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

During how many months was the difference between the number of days with homework and with no homework greater than 6?