Will make brainliest if answered correctly

Combine like terms to make a simpler expression 3z+z

Which two undefined geometric terms always describe figures with no beginning or end?

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range