Determine whether the equation is true or false. sum x=2 ^ 8 (2n-3)= sum n=3 ^ 9 (2m-5)

true

Step-by-step explanation:

your answer would be 12

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°