Help me with this pls.

Question 7: 112°
The figure is a parallelogram because there are 2 pairs of parallel sides. Since adjacent angles of a parallelogram are supplementary, the answer is 112°.
Question 8: 9
Diagonals of a parallelogram bisect each other, so
[tex]19(2)=5x-7 \\ \\ 38=5x-7 \\ \\ 45=5x \\ \\ x=9[/tex]