Answer:

Step-by-step explanation:
Let the number be x.
Translating the word problem into an algebraic equation, we have;
Opening the bracket, we have;

Collecting like terms, we have;

Answer:
40
Step-by-step explanation:
The answer is 40. There are 4 judges, and each gave him a 10. This can be shown by an equation.
1. 4 * 10 = total score
2. 40 = total score.
Hope this helps! (Please consider giving brainliest)
Answer:
0
Step-by-step explanation:
The smallest perfect cube would be 0 since it cannot be negative and zero raised to the third power would still be 0
That would 32a - 8, Good Luck!