armold entire workout consisted of 10 minutes of warm up exercises,25 minutes of lifting weights and 15 minutes on the treadmil what os the ratio of number of minutes he rab on the treadmilto the number of minutes of warm up exercises (express your answer in simplest form)

What is the slope of the line shown below?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed