Solve the equation
1 – (x – 2) – {(x -3) – (x – 1)} = 0

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Identify the number as a rational or irrational.explain. 127

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.