Abrand of cereal had 1.2 milligrams of iron per serving. then they changed their recipe so they had had 1.8 mg of iron per serving. what was the percent increase in iron?

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.