<span>Without pain or suffering there cannot be a gain or joy. The presence of one allows for the other. The tone here is duality, and consequence. One begets the other. To truly know heaven, one has to know hell.</span>
You need another comma after the word "think" because it's a parenthetical expression and is set off from the sentence.
The x coordinate is 2. The y coordinate is unknown.
If we substitute 2 for x in the equation, it will look as follows:
Then we simply have to work it out:
So, the second coordinate is 4.
Determine whether each number is rational or irrational.
Rationa