Kate paid $27 for a dress that was on sale at 10% off. what was the original price for this dress?

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.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Solve 2x+y=3 x+y=5 in substitution method