The fastest student in gym class runs 50 meters in 7.4 seconds. the slowest time in the class was 4.36 seconds slower than the fastest time.
what was the slowest time?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

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