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Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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.