Can someone me with this one question? (number 10.)

All you have to do is 8 * 2, because an octagon has 8 sides.

8 * 2 = 16

Hope this helps!

Since its an octagon, there's 8 sides. Each side is 2 feet long. Since you are trying to find the perimeter of the sign, you would multiply 8x2. So Mandy will use 16 feet of tape on each stop sign.

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step-by-step explanation:

нσρє ι ¢συℓ∂ нєℓρ уσυ συт

any of them that add up to 180 degrees.