I'm working with similar triangles in my geometry class and I am having trouble with this problem

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?