How can these terms be combined: -2x + 11 + 6x - 5 * 8 points
-8x +16
4x + 6
4x - 6
8x + 6

What is the least common multiple of 16 and 3?

Which of the following is the shape of a cross section of the figure shown below

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”?