BEEN WAITING 5 HOURS FOR AN ANSWER Is (–7, –9) a solution to this system of inequalities?

20x − 18y ≤ –10
x ≥ –7

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

8

step-by-step explanation:

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation: