Are these transformations right and would there be any others?

A and D

Step-by-step explanation:

You are correct with the first reflection across the x-axis

You are WRONG with the second It is inside the absolute value so it is horizontal (not vertical).  It is a stretch by a factor of , which I am assuming is the same as a compression by a factor of 3. The correct answer is: horizontal compression by a factor of 3.

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

1/4 because there is 4 grades.