Answer:
The answer would be 19. I think. I am not so good at mathematics. I just added 19 to -3 and got the answer of 16.
Step-by-step explanation:
16 - 19 = -3
That's all..
Answer:
4.5
Step-by-step explanation:
The equation that you should use to solve this is (13 + 1/4) - (6 + 2/3) = 6 and 7/12
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:

Does this make sense?