Consider the following algebraic statements and determine the values for x for which each statement is true. On a number line, show the rest of all points corresponding to the values of a) x: x=|-x|
b) |x|=x

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83