On Monday, Mr. Lieberenz ran 2.1 miles in 36 minutes. On Tuesday, he ran 5.1 miles in 22 minutes. His rates on Monday and Tuesday _ proportional because the unit rates for the two days are _ a. are, the same
b. are, different
c. are not the same
d. are not, different
e. are not, not related
o
f.
are, not related

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.

Similar surnames: Leverenz, Lewerenz, Lieberg, Lieber, Lieberman, Liebert, Liebermann

Step-by-step explanation:

4.

step-by-step explanation:

it have the same area.brainliest

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice