1 hour equals 70 miles so 70 times 4 equals 280 and half of 70 is 35 since you traveled 4.5 hours and 280+35 equals 315
Answer:
i think . it is c
Step-by-step explanation:
Answer:
6a-6b
Step-by-step explanation:
(5a+a)+(2b-8b)
6a-6b
Answer: y=3x-7
Explanation:
The y-intercept is -7 and the line is going up by a rate of 3.
You take 150/3. The answer is 50.