Catelyn invested $7000 in an account that earns 5.6% interest, compounded annually. the formula for compound interest is a(t)=p(1+i)^t. how much did catelyn have in the account after 4 years?

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Which function has the smallest y-intercept value

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.