In an all boys school, the heights of the student body are normally distributed with a mean of 67 inches and a standard deviation of 5 inches. Using the empirical rule, determine the interval of heights that represents the middle 95% of male heights from this school.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

You so much whoever answers with accuracy •the parent function of the graph of f(x) is the square root function, which was reflected across the x-axis. which of the following is the equation of f(x)?