Which of the following statements is true about the shape of a production possibility frontier

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?