I would suggest factoring using the grouping method. The answer I got was (2n-1)(n+2)
All I know is 5 and 6.
5. -7 (the picture is the model to draw)
6. -5
a. 60 miles/1 hour because 420/7
b. 12 customers/1 day because 360/30
c. 2.5 meters/1 sec because 40/16
d. $1.59/1 lb because 7.96/5
false... even if you got 100 on the next test, you would only have an 84 average
Hope this helped!!! :) (comment if you don't understand)
0.0006403415 is the answer to this question.