Please show work and ellaborate!! I WILL MARK BRAINIEST, 20 POINTS A circular running track is 1/3 miles long. Zoe runs on this track, completing each lap in 1/21 of an hour. What is Zoe's running speed?

a) 7 hours per lap
b) 3 miles per hour
c) 7 miles per hour
d) 1/7 lap per hour

A

Step-by-step explanation:

A

Step-by-step explanation:

bcz I am Soo smart and yhggg

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

answer: are you

step-by-step explanation: