Answer:
3.33..
Step-by-step explanation:
x2-8x=9
x-6x=9
-5x=9
x=-5/9
(-5/9)(2)-8(-5/9)=3.33.. (3 and 1/3)
200*50=10,000.
2*5=10
20*50=1000
200*50=10000
Answer:

Step-by-step explanation:
The midpoint of any line segment is the average of the x- and y-values of the two endpoints.
Therefore, the midpoint of
is
.
So, the answer is
and we're done!
Since the question is asking how fast he is driving, we need to find his speed in miles per hour. To do this, you need to divide the amount of miles he drove by the amount of hours it took. When you do 412.5/7.5, you get the answer of 55 miles per hour.