Mary rented a truck for one day. There was a base fee of $13.50, and there was an additional charge of 9 cents for each mile driven. The total cost, C (in dollars), for driving x miles is given by the following function.
cx) =0.09x +13.50
What is the total rental cost if Mary drove 20 miles?

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”?

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f