How many total bills did the troll have?900

90

9000

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.

What is the y intercept of f(x)=(1/2)^x?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}