What is the distance from (−4, 0) to (2, 5)? round your answer to the nearest hundredth. explain your answer.

7.81 units
8.17 units
8.58 units
10.4 units

In which form is the following function written? y = - 2(x – 3)(x + 5)

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

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?