simplify this. explain it too.

18x^4 – 3x^3 – 2x^3 + x^2 – 10 + 6

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane