Indicate the second degree equations
1 answer:
Answer A is the correct equation
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21 divide by 4 is 5.25. She travels 5.25 miles per hour. 42 divide by 5.25 is 8. It would take 8 hours for Shelly to bike 42 miles.
3.2+4=7.2
6.6/2.2=3
3+7.2=10.2
10.2
Simplified: 
Restrictions: x CANNOT be 0 because then the denominator would become 0 and would not be possible
The mean and median of a normal distribution are the same.
The median is 16.
Answer: 1.25 problems/min
32 minutes --> 40 problems
1 minute --> 40/32
--> 1.25