Answer:
#9 x=21
#10 a. QP b. 8 c. 18
Explanation:
#9 use the theorem where the ratio between a midline and the base of the triangle is 1:2
as we know the midline and the base is 1:2
this means
2(4x-65)=2x-4
4x-65=x-2
3x=63
x=21
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#10
a. RS|| QP (Remember to write the letters accordingly)
b. 8 (As mentioned before of the ratio 1:2)
c. 18