X+2x+3x+4x=9x. x is a variable that represents the number of points he won so far
A positive number
This is because you must add to get from a negative number in order to get to a positive number.
Answer:821,800
Step-by-step explanation:
3.
1000 miles per month.
12 months in a year.
1000 × 12 = 12000 miles per year
Oil change every 4000 miles.
12000 ÷ 4000 = 3
Therefore 3 oil changes per year.
Yes and the correct one is A