Which expression can be used to find the circumference of the gray circle on the playground (the shaded part of the picture) A. 2(40)π

B. 40π

C. 20²π

D. 40²π​

x= 149. 24+7=31. 180-31=149

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if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

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