A. 2 sqrt 3

B. 4

C. 8

D. 4 sqrt 6

E. 12

Please help

Here is your Answer :)

A. 2 sqrt 3

Hope it helped you!

people went from manufacturing one object at a time by hand to manufacturing many objects in factories

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles