The number of ways to choose a letter from a to z and a digit from 0 to 9. Find the sample space for the given situation.. correct answer gets brainest

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%

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?