Reconsider the paint-drying situation of Example 8.5, in which drying time for a test specimen is normally distributed with s 5 9. The hypotheses H0: m 5 75 versus Ha: m , 75 are to be tested using a random sample of n 5 25 observations.

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π