Lin runs 5 laps around a track in 6 minutes. c. If Lin runs 21 laps at the same rate, how long does it take her?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?