Which expression represents, five times the quotient of two numbers? A. 5+rt
B. 5%r/t
C. r/5t
D. 5(r/t)
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What signals you that factoring by grouping is the best method to use when factoring a problem?

41/17 as a decimal rounded to the nearest hundredth

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