What is the perimeter of the figure to the nearest tenth of a millimeter?

a.
9.4 millimeters

b.
12.0 millimeters

c.
21.4 millimeters

d.
30.8 millimeters

c

step-by-step explanation:

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.