A battery factory typically produces 1,200 batteries per day and uses 50 boxes for packing the batteries. If the number of boxes needed for packing is proportional to the number of batteries
produced, how many boxes would be needed on a day when 1,800 batteries are produced?
Help please ASAP

Find the slope of the line passing through a pair of points

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

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss