Tommy sells hats. He’s been looking at his sales over the last few weeks and noticed that when he sells hats for $8, he has 1000 customers a week. When he increases the price by 3 dollars he loses 60 customers. What price should Tommy make the hats to make the most money? How many customers will that be? What is the total money Tommy makes?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables