6* 8.4
7* 3.5
8* -6
9* 10.899
10* 11.1
11* 2.4
12* 0.06
13* 2.2
14* 15.2
15* 11.7
16* -3.4
explanation: Sorry i couldn’t finish and i hope these are correct! I’m not that good at math but good luck
If

and

are <span>supplementary angles, then

The ratio of

and

is

<span>

Substitute

into


From

we find the measure of


</span></span>
According to above figure, the angles (8x - 20)° and (5x + 37)° are pairs of vertical opposite angles, so