Lets talk on padlet if you have no one to talk to

Who wants to join a padlet

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.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

How many $20 bills do you need to have to make $280