Orville deposited $38.50 into his bank account after making a $30.00 withdrawal to to purchase some groceries. Represent these situations as signed numbers

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.