The average time of completing a 3-mile course for 600 cross-country students is 14.38 minutes. Assume the data is normally distributed. If the standard deviation of this data is 14.11 minutes, how many students take longer than 1 hour and 12.6 minutes
to complete the course? (Round to the nearest integer.)

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

What is the result of the following division?

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit