Answer:
-29
Step-by-step explanation:
Remove the brackets: -20 - 9
= -29
The answer would be 2.2.
This sentence as an expression would be n - (-3n) = n + 11.
Solve it and you'll get 2.2!
Answer:
The answer is "
"
Step-by-step explanation:
Please find the complete question in the attached file.
Calculating the difference of
dividing the value by 

The answer is 9
You divide by 1215 by 15 and the answer is 81
Then you find the square root of 81 and the answer is 9