Kyle has his own math tutoring service. His weekly fees are shown in the table.

Number of Hours
Per Week (x) Weekly Fees (y)
1 $32
2 $57
3 $82
4 $107

Which equation represents the relationship between the number of tutoring hours per week and his weekly fees?

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