Simplify x to the 3rd power divided by x

Which figures are polygons? select each correct answer. figure a figure b figure c figure d

Identify reflection rule on a coordinate plane that verifies that triangle a(-1,7), b(6,5), c(-2,2) and a’(-1,-7), b(6,-5), c’(-2,2) triangle are congruent when reflected over the x-axis

Find the least common factor denominator for these two rational 7/x^2 and 7/5x