Answer:
Step-by-step explanation:
The problem solver "completed the square." He or she took half of the coefficient of x and squared the result, and then added this square and subtracted this square to/from both sides of the equation.
Sorry I really need point but I wish you good luck!
A. 485 is %3 of 500, but the deviation sets it slightly lower than that
Answer:
ab
Step-by-step explanation: