What’s the answer for these four problems?

i can you with this question sweetie!

step-by-step explanation:

2x^2+5x+17

your welcome. : )

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°

pi x^2

step-by-step explanation:

pi times x squared