To the nearest square unit, what is the area of the regular heptagon shown below?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

What dimensions can créate more than one triangle ?

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?