Which of the following statements about parallelograms is not always true? a. diagonals are congruent. b. opposite sides are parallel. c. diagonals bisect each other. d. opposite angles are congruent.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.