Hallie is put away dishes in the school cafeteria . she is stacking bowls to put into the cupboard. if she has 62 bowls and can put a maximum of 4 bowls in each stack , what is the minimum number of stacks hallie will have ?

3382-299=3383- ? fill in the blank?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

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