Answer:
|2x|
Step-by-step explanation:
The square root symbol indicates the positive square root. That is, ...

Then the square root you show is ...

Imagine a ladder leaning against the wall and you know the height of the ladder and its distance from the wall and you had to find out the height you could use pythagorean theorem here
Answer:
9 teaspoons of cocoa
Step-by-step explanation:
3*3=9
Answer:
-8
Step-by-step explanation:
Brackets go first, (4+2)=6
Then multiplication, 7x2=14
Lastly, combine them: 6-14 = -8