35.5 ft is the width of the room
Answer:
Radius is 5 units
Step-by-step explanation:
The radius of a circle will always be 1/2 of the diameter.
This gives the formula:

(substitute known values)

(divide 10 by 2)

Therefore the radius is five
Answer:
the answer is a
Step-by-step explanation:
Answer:
40 minutes
Step-by-step explanation:
12 envelopes every 10 minutes.
48 envelopes = 40 minutes