1. sat math scores in recent years have had means around 490 and standard deviations
around 100. what is the variance of sat math scores?

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39