Which of the following is Rational?

Is the  $$\sqrt{125}$$  rational or irrational? 

$$Is\ the\ sum\ of\ \sqrt{3\ }and\ \frac{1}{3}\ rational\ or\ irrational?\$$  

 Which expression is equivalent to $$a\sqrt[]{b}+c\sqrt[]{b}$$ where a, b and c are positive numbers

$$Simplify\ the\ radical:\ \sqrt{80}$$  

$$2\sqrt{8}\cdot\sqrt{20}$$  

Which of these is an equivalent to the expression?

Which product is irrational?

Which sum is rational?

Find the sum.

(2x² + 5x - 7) + ( 3 - 4x² + 6x)

Find the difference.

(3- 2x + 2x²) - (4x -5 +3x²)

A rectangle has a length of 12 meters and a width of 400 centimeters. What is the perimeter, in cm, of the rectangle?

Convert 300 feet/hour into inches/seconds

Jonathan raised 60 goats, then he traded all the goats for sheep at an exchange rate of 5 goats for 7 sheep. Next, he exchanged all the sheep for hogs at a rate of 4 sheep for 2 hogs. How many hogs did he get?

In which expression is the coefficient of the n term -1?

The expression s² is used to calculatoe the area of a square, where s is the side length of the square. What does the expression (8x)² represent?

Solve 5x+6=16