Perrys bikes rents bikes for $17 plus $6 per hour. john paid $59 to rent a bike. for how many hours did he rent the bike?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

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

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b