Answer:
0.1, 2.3, 4.5, 6.7, 8.9
or
1.0, 3.2, 5.4, 7.6, 9.8
The mean is 20
Step-by-step explanation:
17+19+21+23=80
80 div 4 = 20
25: 49
Answer: 16
Neither Alex nor Jo are correct, because surface area is a 2-dimensional quantity, so it would be given in just square units, not linear nor cubic.
So the answer is D
