Which equation is best illustrated by the picture?

A) 3(10 + 2) = 10(2) + 3(2)

B) 3(10 + 2) = 3(10) + 3(2)

C) 3(10 + 2) = 3(10) + 2

D) 3(10 + 2) = 3(2) + 10

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”?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

How do you write 600 as a product of its prime factors (index! )