Looooking for x so the answer is
X=7
Answer:
x=18
Step-by-step explanation:
all the interior angles in a pentagon = 540. use to interior angle theorem. then just add all the angles up and make them = to 540 like this: 540=95+90+(7x-4)+(3x+23)+(9x-6). then solve using algebra
Answer:
D) 
Step-by-step explanation:
A)

B)

C)

D)

The answer is the third choice they both equal -16/77. Hope this helps:)