The table below shows the scores on a science test. john 75 brett 80 elizabeth 90 cindy 100 jake 75 kenji 85 rick 80 joy 80 raul 90 suni 85 the number of standard deviations between a score and the mean score is indicated by a z-score. what was cindy’s z-score on the science test?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.