two cars leave towns 750 kilometers apart at the same time and travel toward each other. one car's rate is 20 kilometers
per hour less than the other's. if they meet in 5 hours, what is the rate of the slower car?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

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

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?