He will need to save up for 12 weeks because he is getting 2 dollars a week.
It says after 3 weeks he saved 6, so divide six by three and the answer meaning he makes 2 a week. Next divide 24 by 2 and you get 12.
Answer:

Step-by-step explanation:
The rate of change is the slope. The rate of change is the greatest for the slope with the greatest absolute value. In the graph, this is shown with the steepest inclination. That occurs from x = 4 to x = 6.
Answer:

Step-by-step explanation:
if we add 18 to both side then it becomes 5x=10x+15 and if we divide by five, x=2x+3