Answer:
A
Step-by-step explanation:
hope this helps i took the test
Answer: y=-0.5x+4.5
Step-by-step explanation: y=mx+b, m is the slope = -1/2 or -0.5, and b is the y-int, which is 4.5
A taxi travels at a constant speed of 50 miles per hour.
Hope this helps!
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