(1)/(31)x^(2)-25=0
a) {+5}
b) {+30}
c) {+6/5}
d) {+5/6}

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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?