Answer:
Step-by-step explanation:
3x+ 1/3 for x<= -1
6x-27 for x >4
9 miles, you dont even need much math, just common sense. divide 12 by 4 and you get three. multiply 3 by 3 to get 9.
Answer: so you do length times width times height and then you divide by two
Step-by-step explanation: