P is a function that gives the cost, in dollars, of mailing a letter from the Untied States to Mexico in 2018 based on the weight of the letter in ounces, w. The function is defined by this set of rules:

How much does it cost to send a letter that weighs 1.5 ounces?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .