Triangle JJJ is shown below. James drew a scaled version of Triangle JJJ using a scale factor of 444 and labeled it Triangle KKK. What is the area of Triangle KKK?

Brent wants to know what is 5 x 1/2

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 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”?