In triangle ABC, what is the measure of C if a = 20, b = 15, and c = 19? A.
26.1°
B.
42.33°
C.
58.87°
D.
63.9°
E.
116.1°

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Y+ 2/y is it a polynomial in one variable or not? and if so, why?