The following numerically ordered sequence of numbers has a mean of 17 and a median of 18. 7, a, 12, 15, 17, b, 20, 22, 24, 25 given this information, the values of a and b must be:

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

If sin(x) = 0 and cos(x) = 1, what is tan(x)?