50, because 21 + 8 = 39 + 11 = 50
Step-by-step explanation:
You can use the distributive property
-(a - b + c) = -a + b - c
So, the answer to this is -8 + 1 - 5.
Do you have a better picture and which question or all of them
Answer:
1
Step-by-step explanation:
can be expressed as
=
Similarly
can be expressed as
=
Numerator becomes:
·
= 
Denominator becomes:
·
= 
Since numerator = Denominator,
Answer = 1
Edit reason: typo