Need help plsss give you brainliest pls help me it’s rounding money cents, dime and dollar

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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