The local grocery store sells a bag of dog food for $22. The store pays $13 for the dog food. Which equation can be used find the markup on the dog food?
A
2 +9 = 13
B
2 + 13 = 22
C
- 9 = 22
D
- 22 = 13

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score