(-1, 5) because if you plug in -1 to both equations, you should get 5 from both equations. They also cross at that point, making that the solution.
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2Hrs 30Mins.
7:30+1Hr=8:30 + 1hr=9:30 + 30Mins=10
For problem 12 you would do 44.8 times 5 and that would give you 224 miles.
Problem 13: In the first race he drove at an average speed of 149 miles per hour. I got this by dividing 2.5 by 372.5. In the second race he drove 144 miles per hour. I determined this by dividing 3.2 by 460.8. Therefore, in his first race he drove the fastest average speed.
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Answer:
104
Step-by-step explanation: