14n + 21
Just distribute the 7 to the 2n and the 3.
7(2n + 3)
(7 * 2n) + (7 * 3)
14n + 21
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180 - (30+35)
= 180 - 65
= 115
M = 115 (vertical angles)
Answer: 5
Step-by-step explanation:
By the inscribed angle theorem.

<span>i believe it should be 17 19 and 23 but i could be wrong. </span>
give more information
Step-by-step explanation: