A 90% confidence interval for the mean time it takes to run 1 mile for all high school track athletes is computed from a simple random sample of 200 track athletes and is found to be 6.2 ± 0.8 minutes. We may conclude that:

Solve the system of equations. y= 2x y= x^2 - 15

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.