2-3 sentences
It says

A local bakery buys their flour in bulk. The relationship between the cost of the flour and its weight is shown in the graph below.

A. Is the relationship shown a direct variation? Explain your reasoning using complete sentences.

B. The point (1, 0.75) is on this graph. What does this ordered pair represent?

C. Approximately how much does the bakery pay for 40 pounds of flour?

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