What is the angle of rotation from arst to ar'st? assume that the center of rotation is the origin.
a 180'clockwise
b. 90° clockwise
c. 90 counterclockwise
d. 270° counterclockwise

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

step-by-step explanation:

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