What is the value of the expression 2^2 + 4^2 ÷ 2^2? answers

A .3
B. 6
C. 8
D. 16

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.

Can someone me i’m confused. will give brainliest and a whole bunch of points

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?