if an interior angle of a polygon is 53 what is the measure of its exterior angle? i really need help

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

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?