Use the correct product-to-sum expression and a calculator to find the value to four decimal places. sin 150 sin 30

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.

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?