Answer:
|5| = 5
|-5| = 5
5-5
5
Step-by-step explanation:
A) volume equals = length x width x height
2.8m is the height
1.2m is the width
4.8m is the length
so 2.8m x 1.2m x 4.8m = 16.128m³ is your answer
b)1 cubic meter is 1000
2.8m = 2800L
1.2m = 1200L
4.8m = 4800L
so your going to add those up
2800L + 1200L + 4800L = 8800L is you answer
Answer: 35.3
Explanation: (-3-2-1+0+1+2+....27)/30 = 35.3
Use distributive property:

1 and 3 they share a relationship of +2, 3 and 6 share x2, 5 and 8 share +3, 7 and 21 share x3