While on a beach vacation, Tasha made a scale drawing of points of interest between 2 piers. On her drawing, 2 cm represents 0.5 mi. The piers are 12 cm apart on Tasha's drawing. What is the actual distance? HELP!
Include formula to solve problems like this!!

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