A bag contains 4 red marbles, 6 blue marbles and 2 green marbles. If twc marbles are drawn out of the bag, what is the exact probability that both marbles drawn will be
blue?

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.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.