Number 3 is the correct answer
Answer:
V=84
Step-by-step explanation:
1. 7*6=42. make 42 a fraction by making it 42/1.
2. 1/3*42/1=42/3
3. make 6 a fraction by making it 6/1
4. 42/3*6/1=252/3
5. 252/3=84
Answer:
b = -3
Step-by-step explanation:
7b-27=8(6+4b)
Distribute
7b -27 = 48 + 32b
Subtract 7b from each side
7b-7b-27=48+32b-7b
-27 = 48+25b
Subtract 48 from each side
-27-48 = 48+25b -47
-75 = 25b
Divide each side by 25
-75/-25 =25b/25
-3 =b
It is twenty-one feet cubed
It’s changed by the perimeter by 2/5
