Free points ! hi darlings! since I have over 1000 points, I wanted to do something nice. your all loved btw ♡＾▽＾♡

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.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

What ia the sum if the first 7 terms of the geometric series