The circumference of a circle is 18.84 feet. what is the circle's radius use 3.14 as pi

3

Step-by-step explanation:

what you do is divide 18.84 by 2 x 3.14 which for 2 x 3.14 you get 6.28 so you divided that by 18.84

18.84/6.28 which = 3

check the answer to see if its right

= 18.84 hope this brainliest plz

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m