The table gives the amount of y gas needed to travel a fixed distance if a boat gets x mikes per gallon when driven at a constant speed

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.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)