I have no idea what to do

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

-2 is the right

h/o/e/s mad

step-by-step explanation:

si si si

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°