Answer:
Step-by-step explanation:
Let the edge of the cube be a .
Given
Volume V = a³

= 3a² x 2
= 6a²
If a = 40 cm

= 9600 cm³/s .
Answer:
398,765 books were sold
Step-by-step explanation:
How to get the answer:
1) Identify the given
32,300 is percentage
8.1 % is rate
base (b) is missing
2) Solve
b= p/r
b= 32,300 / 8.1% or 0.081
b= 398,765
3) Check
398,765 x 8.1% = 32,299.97 or 32,300
Hola !
The answer is = (-4) as in the attachment provided
Hope it helped you