Suppose you add 10% of a number to the number, and you subtract 10% of the total. is the result greater than, less than, or equal to the original number.

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6

Run a linear regression to determine an equation (y=mx+b y=mx+b)

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.