What is the slope of a vertical line?

3x + 4y = 5 x- 3y = -7 solve by substitution

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

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.