The scores on a test approximate a normal distribution with a mean score of 72 and a standard deviation of 9. Approximately what percent of the student taking the test received a score greater than 90

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Do you mind if you guys me with this question i’m on number 8