-3.509 is greater because -3.509 is closer to 0 than -5.2.
Hope this helps!
101, of course. What else would it be????????????????
Answer:
Option A is correct.

Step-by-step explanation:
Simplify:
......[1]
Like terms are those terms who have same variable to the same power.
Combine like terms in [1] ,we have;
Simplify:

Therefore, the simplified form of
is, 
Area of sq.=1x1=1
Area of 4triangle=4(0.5x1x1)=2
Area of pyramid =1+2=3