On a standardized exam , the scores are normally distributed with a mean of 75 and a standard deviation of 10 find the z score of a person who scored 51 on the exam

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Which of the following statement about pascal's triangle are true?