For y = 3x - 2x2 +5x3, show how to find the value for y, when x = 3. show your work

True or false? a circle could be circumscribed about the quadrilateral below.

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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?