Let n be a randomly selected integer from 1 to 20. find the indicated probability.
n is prime given that it has two digits, what is n?

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}