First let's make both the miles and the hours ran improper fractions:

So, to find our miles per hour, we have to divide the miles by the hours to get: 
The percentage of Change in time is an decrease
Answer:
-135
Step-by-step explanation:
-5(9 - 6k)
Let k = -3
-5 ( 9 - 6*-3)
-5 ( 9 + 18)
-5 ( 27)
Answer:
2
Step-by-step explanation:
5=2x+1 4=2x 2=x
the answer is simple and easy. why do you ask such question.
anyway answer is D i.e. 6l²(6*7*7)