The answers 15 because we have two negatives it's always a positive and 3×5 is 15
3200 plus 1800 is 5000.
So find the percentage of 5000 1800 is.
So 36%
Answer:

Step-by-step explanation:
√(-100)
Use the imaginary number rule 
√(-1) × √(100)
i × √(10²)
i × 10
= 10i
Answer:
It would be -7
Step-by-step explanation:
The 12 is negative, so instead of adding, you would subtract 5.
4 divided by 12 -3+4 divided by 6+3 divided by 4