Well if you are looking for the profit margin we need how much is was when she bought it, because it doesn't say, you can't say It's a increase or a decrease, so you could say this is a investment.
But considering you put this under mathematics I assume there is more to this question you forgot to post.
The answer to this question is C
You have the formula already, just plug in 30 for s (speed) and solve for d (distance).
Answer:
y = 8
Step-by-step explanation:
find slope first
(8-8)/(-7-(-3)) = 0/-4, the slope is 0
You know that 8 is y intercept
Equation: y = 0x + 8, or y = 8
Answer:
The answer is 16
Step-by-step explanation:
You only have to divide 64/4