Answer: 60 MPH
Step-by-step explanation:
Answer:The slope of the line is both ppsitive and linear.
A=a+b+c+d/4
subtract a from both sides
0=b+c+d/4
Subtract b from both sides
-b=c+d/4
Finally subtract d/4 from both sides
c=-d/4-b
Okay and what do you need to find??
