Laura is bowling 5 games. Her first 4 scores were 135, 144, 116, and 132. To end up with an average score of at least 136.8, what is the lowest score Laura will need in the fifth game?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.