4 (2x + 1) — 5х + 3x +9 Is it
A. Infinite solutions
B. One solution
C. No solution

9/10 divide by -3/15 as a mixed number

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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?