How far does the unicycle move when makes 5 full rotations?

clare says, "the diameter of the unicycle wheel is about 0.5 meters. in 5 complete rotations it will go about 5/2 pi m2."

andre says, "i agree with clare's estimate of the diameter, but that means the unicycle will go about 5/4 pi m."

Which expression is equivalent to the expression shown?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3