Hannah rolls two number cubes with the numbers 5,5,5,3,6,6 on each. what is the probability that rolled two numbers with an even sum?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

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?