The heights of male students are normally distributed with a mean of 158 cm and a standard deviation of 5 cm.

Find the percentage of male students who are between 145 cm and 170 cm.

Round your
answers to the nearest hundredths.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?