Carter and his friends are painting 4 equal sections of a wall. The wall is 12 feet tall, but its length is unknown.

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?