The interior angles of a polygon add to 180°
3x - 11 + x - 8 + 2x + 7 + x + x + 8 = 180
8x - 4 = 180
8x = 184
x = 23
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Answer:
a
Step-by-step explanation:
The sequence jumps by intervals of 3 each time. This tells us that the answer has 3n in it. Then, we know that the first value is two, which is 1 less than 3. This means the answer is a, 3n-1.
This one is for number 26
Answer:
graph C
Step-by-step explanation:
