The sum of two numbers is 27. the larger number is 6 more than twice the smaller number. what is the number?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Simplify using positive exponents only.