Depends on where you are in the math book but this would be the most simple way.
n= number
sqar(-1) = i
You have 2 apples, get 3 more, and then lose 2 of them.
So, you HAVE 2 apples, and if you get 3 more, you can add it to the 2.

In total at the moment, you have 5 apples. Now, you lose 2 more. We can subtract that from our total number of apples.

We now know that you are left with
3 apples.
We know that, Volume of a Rectangular Prism is given by :
✿ {Length × Width × Height}
Given : The Length of Rectangular Prism = 5.5
Given : The Width of Rectangular Prism = 6
Given : The Height of Rectangular Prism = 3
⇒ The Volume of given Rectangular Prism = {5.5 × 6 × 3}
⇒ The Volume of given Rectangular Prism = 99
The correct answer is 600. For area do you Base times height which is 20×30 which equals 60.
SA= Lateral Area + Area (of base)
Lateral area = perimeter of base x height
An isosceles triangle has two congruent base segments. The hypotenuse of an isosceles right triangle is (length of base segment) x (the square root of 2). I did the math for you (shown above) to get 5 as a base.
So 5 + 5 + square root of 50 is your perimeter
Multiply the perimeter times your height (8) and you get the lateral area.
Add your lateral area to the base area (triangle = 1/2 bh)
LA = 136.568...
Area of Triangle base = 12.5
Surface area = 149.068... square cm