Step-by-step explanation:
The equation of the line is x = 4.
It is the arabic system of numbers. The Roman was the one with Xes and Vs and Is and many other types of markings. Arabs used the 1-9 system, while 0 was taken from the hindu system as it indicates an empty space, so we got the 0-9 system that is commonly used now.
Answer:
1440x+720
Step-by-step explanation:
Expanding up the brackets, you get
160x+80.
Then you multiply the whole thing by 9.
9(160x+80)=
1440x+720
Hello there,
Your correct answer would be C.) m=5d.
The reason is so because 5 and d are going to be multiplied and so sence they would be multiplied this mean's that you will see how much money he earned in (m) days.
Correct answer would be "C.) m=5d"
Hope this helps!