On a standardized exam, the scores are normally distributed with a mean of 145 and a standard deviation of 25. Find the z-score of a person who scored 210 on the exam

The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.

The slope of the line passing through the points (2, 7) and (-4, 8) is