In an eye color study, 25 out of 50 people in the sample had brown eyes. in this situation, what does the number .50 represent?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test