How can outliers skew our average for a set of data? Can we draw a definite conclusion from the measure of center if there are outliers?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that