Molly earns $8.00 an hour at her job. -Part 1 out of 2-
Let x represent the number of hours that Molly works.
Write a function using x and f(x) that describes

Molly's pay for working x hours.

F(x) =

How many $20 bills do you need to have to make $280

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

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”?