What is the ratio of the sector area to the area of the
entire circle?
o
o
o
720
o
Done

What term makes it inconsistent y=2x - 4

Me. i can't figure out this question. give an explanation too. .

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”?