When you have lines in graphs for ex
Y=2x+7
2x is the rate of change
7 is the instant amt if the x=0 (or the y-intercept)
For the first question, divide 32 by 40 and it should equal .8 miles. Then, for the second question, multiply .8 by 13 and it should equal 10.4 miles.
Answer:

Step-by-step explanation:
The reason is because you don't know the Inital amount she bought and because she visits two days in a row you would multiply
Answer:
Recall that the height of the object, in meters, is a function of elapsed time, in seconds. Thus what
means is that the object is at a height of 8 meters when 12 seconds have passed since its launch.
If we have two numbers A&B and we know that A times B=0 then it must follow that either A=0, or B=0 (or both)