Order -3, 7, 8, and -5 from least to greatest.
a. -3, -5, 7, 8 c. -5, -3, 7, 8
b. -5, -3, 8, 7 d. 8, 7, -3, -5

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Extra points! find the missing dimension! need asap

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”?