F(x) = -3(x - 11)(x + 1)

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Which of the following three dimensional figures has a circle as it’s base

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”?