To introduce the idea or purpose of your essay and explain why and what you're writing about.
Singular
I will be preparing
You will be preparing
He/she/it will be preparing Plural
We will be preparing
You will be preparing
They will be preparing
Choice a is the answer because it makes the most sense grammatically, “unfortunately, we are provided from going into the Cave of Flames.”
X^2 - 36/42x - 7x^2
x^2 - 6/7x - 7x^2
-6x^2 - 6/7x
-42x^2 - 6x