im proven right once again. why cant i just learn my lesson?! because im young, dum. b, naive, st. pid, idi. otic, and a girl who doesnt deserve anything and dont pay attention to this im just venting i need to know what 9x + 4 is thanks

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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.