Answer:
I think the answer is 81.
Step-by-step explanation:
Vertical angles are congruent.
x + 3 = 84
- 3 = -3
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x = 81
Answer:
22.05
Step-by-step explanation:
77/8= 9.625 and 31/4= 7.75...so 9.625-7.75= 1.875
To be able to compare 2 fraciton we have to make common denominator and then we can just compare numerators.

Now we can compare numerator from the first (9) and from the second fraction (8)
9>8, so the bigger is 9/10