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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.

Three coins are flipped. what is the probability that there will be at least two tails?

Can (3,5 and square root 34) be sides on a right triangle?