Given that 2x + y = 4 and x + 2y = 5, find 5x^2 + 8xy + 5y^2

Which equation matches the graph shown ?

If value of cos330° is √3/2 then find tan165°.

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0