find the percent of increase from 210 to 260. round to the nearest tenth of a percent if necessary.

15 point ! ~ see if you know the answer to both you!

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

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 = 4? r^2. write your answer in scientific notation.