A wheel has a radius of 12cm. Approximately how far does it travel in 2 revolutions?

A. 47.1 cm

B. 150.72 cm

C. 188.4 cm

D. 376.8 cm

B

Step-by-step explanation:

2 × 2pi×r

2 × 2 × 3.14 × 12

= 150.72

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:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.