Four years after a maple tree was planted, its height was 9 feet. Eight years after it was planted, the maple tree's height was 12 feet. What was the average
yearly rate the plant was growing?

2.83941151 would be the answer you're looking for! : )

step-by-step explanation:

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°