Answer:
The correct option is D.
Step-by-step explanation:
We have to find the expresses this statement: A quantity x is equal to the sum of the squares of a and b.
The square of a can be written as a² and the square of b can be written as b².
The sum of squares of a and b can be written as

Since the quantity x is equal to the sum of the squares of a and b, therefore

Therefore option D is correct.
Answer:
300
Step-by-step explanation:
find the sum of area of all sides
I think this is find the LCM, so the answer would be 168
Answer:
I'm very very sorry I cannot help you I wish I could help sorry bud.