Which input value produces the same output value for the two functions on the graph

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis