Rachel earned $34 in 4 work hours at her job today. she wants to know how much money she can earn (e) tomorrow if she works for 10 hours at the same rate

When only separate discreet points are graphed it is called?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?