Which of the following is the solution set of the radical equation? 3=
a. (9,2)
b. (-9)
c. (2)
d. (8)

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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?

Complete the equation of the live through (-1,6) (7,-2)