F A ⊂ B, then A ∩ B = A ∪ B.

sometimes
always
never

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°

27 +27 or 27times 2=54

the diffrence is 0

the answer is 8.64

step-by-step explanation:

he answer is x=1x3 because x=1 to x=3