Find the sum. 19x3 + (14x + 4x3) = select one of the options below as your
a. 37x3
b. 37x7
c. 22x3 + 14x
d. 23x3 + 14x

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.

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.