Answer:

Step-by-step explanation:
The complete question in the attached figure
we know that
The volume of a cube is equal to

where b is the length side of a cube
In this problem we have

substitute in the formula

-----> by power of a product
----> by power of a power
Simplify

Answer:
3y + 5
Step-by-step explanation:
combine like terms
4y - y = 3y
3-(-2) =5
3 + 2 = 5
3y + 5
16 x 3/8 so 16/1 x 3/8 = 48/8. 48 divided by 8 is 6. So 6 inches.
The first two
hope this helps
Answer: i - 60

the two fives are supposed to be up y but i dont know how to put them
Step-by-step explanation: