Answer: no idea
Step-by-step explanation:
Thats hard
Answer:


Step-by-step explanation:
Let's rewrite the equation as:

Now, let's find its derivate:

Let's evaluate x=0.27 and x=2:


Keep in mind that when we derivate A(average speed) we find the average acceleration, thats why the result is given in mi/h^2, also it explains the minus sign, because for every stop you make on the trip you are decelerating.
Answer:
Jordan has 4/5 as many DVDs as Joseph means Joseph has more DVDs than Jordan. number of Joseph's DVDs * 4/5 = 56 so
number of Joseph's DVDs= 56 * 5/4 = 70