Mckenna collects pokemon cards and had 318 in her collection. She decided to give some to her younger brother so that he can begin his own collection. After giving him the cards Mckenna has 275 cards in her collection determine the percent of change in her collection to the nearest tenth of a present

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year