What does the statement |a| = 5 mean? a: a is equal to five b: a is equal to negative five c: a is 5 units from zero d: you cannot tell without knowing the value of a. (absolute value)

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.