Ling lives 2 miles from school. it took him 15 minutes to bike from school to home. the first half of the distance he biked at a speed of 12 mph. what was his speed for the remaining distance? what was his average speed?

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

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

Find the dimensions of the circle. area = 64π in.² r= in.