Answer:
10
Step-by-step explanation:
Since

you can see that common expression is

.
Answer: Correct choice is A.
The slope of a horizontal line is always 0 because all its points have the same y-coordinate
Answer:
B. 8
Step-by-step explanation:
The sum of all exterior angles of pentagon is equal to 360°. There are such exterior angles: 62°, 66°, 77°, 59°, (12x)°. Thus, the sum

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