Plz help ASAP i would thx u alot

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)