Mr. Franz bought x cans of fruit cocktail. He bought 2 more cans of mushrooms than cans of fruit cocktail. a) how many cans of fruit cocktail and mushrooms did he buy? Give your answer in terms of x

b) a can of mushrooms cost 80 cents and a can of fruit cocktail cost 90 cents. How much money did Mr Franz spend? Express your answer in terms of x in dollars.

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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