Prove, by mathematical induction, that for every positive integer , 1 ∙ 2 ∙ 3 + 2 ∙ 3 ∙ 4 + ⋯ + ( + 1)( + 2) = ( + 1)( + 2)( + 3) 4

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.

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Find the area of an equilateral triangle with a side of 6 inches