If the exterior angle of a regular polygon
measures 9º, how many sides does the
polygon have?

Step-by-step explanation:

Exterior angle of polygon = 360/n

9° = 360/n

n = 360/9

n = 40

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.