Reflect line segment ab located at a(8, 1) and b(-2, 5) over the x-axis and then over the y-axis. what is the y-coordinate of b"?

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?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

Aof 12 , we to a of 4 to on a .of 4 be ?