James bought a pen for $170 and sold it to gain 20% on his cost price. How much was the item selling for after the increase

What is the radical expression that is equivalent to the expression 27 1 over 5?

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?

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.