The mean is defined as the a. range of the data set b. average of a data set. c. middle of the data set. d. number that shows up most often in a data set.

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

What is the value of x in the this question ?