Answer:
A .The expression 2l+2(3l+1) shows the width is 1 more than 3 times the length.
Step-by-step explanation:
p = 8l + 2
Length = l
Width:
2w = p - 2l
2w = (8l + 2) - 2l
2w = 6l + 2
w = 3l + 1
Therefor w is 3 times the length plus 1
Answer:
10a+31 is the simplified version but if you are trying to ask 10a-25=56 your answer would be 8.1
Step-by-step explanation:
The answer is 10% if There is 40% six graders and 20% seventh graders then you need 10% more to make 100% so it’s 10% eighth graders
Find the area of each face and add them all together, or since a cube has 6 faces, you can multiply the area of one face by 6.
Answer:
1. 2
2. 17
3. 6
4. 36
5. 37
6. 12
Step-by-step explanation:
1. 7-5=2
2. 30x17=510
3. 12x6=72
4. 4x9=36
5. 49-12=37
6. 9 plus 3=12