8. How long will it take Seb to run 4000 m at an average speed of 5 m/s? Give your answer in minutes and seconds.

Seb will take 13 minutes and 20 seconds  to run 4000 m at an average speed of 5 m/s

Step-by-step explanation:

time taken = distance / speed

time taken = 4000/5

time taken = 800 seconds

time taken = 13 minutes and 20 seconds

13 minutes and 20 seconds

Step-by-step explanation:

Time=Distance (4000m) ÷ Speed (5m/s)

       = 800seconds / 60(each minutes)

       = 13 minutes and 20 seconds (remainder)

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm