Answer:
0-4 should go up to 1 5-9 should go up to 3 10-14 should go up to 4 15-19 should go up to 5 20-14 should go up to 2
Step-by-step explanation:
Hope this helps!
r = 13
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
n+3
B
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