The data from Medicine and Science in Sports and Exercise provided ice hockey player perfor mance after electrostimulation training. In summary, there
were 17 players, and the sample standard deviation of performance was
0.09 seconds. Is there strong evidence to conclude that the standard deviation of
performance time exceeds the historical value of 0.75 seconds?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

What is another way to express 36 +32

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?