Whitney goes to the store to buy metal trim to go around the outside edge of two square picture frames.

Each side of the smaller frame is 16 inches long.
Each side of the larger frame is 3 times as long as each side of the smaller frame.
What is the total length, in inches, of the metal trim needed to go around the outside edges of the picture frames?
inches

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