Answer: y= -3/7x - 30/7
Step-by-step explanation:
Answer:
140 mile
Step-by-step explanation:

While x is the speed of the second train.
A cold wave - a series of cold days in terms of weather; a physical wave that is given by someone with a "cold" demeanor.
A fair day- a day with nice, mild weather; making a modest amount of money in a days work.
hope those help.
Answer:
5.25
Step-by-step explanation:
4.20 ÷ 12 = 0.35
0.35 x 15 = 5.25
Answer:
140 miles
Step-by-step explanation:
4 per day for 5 days a week
= 4x5=20 miles a week
For 7 weeks= 20x7= 140 miles