So firstly, square root 9a^2 and 49: 
Next, combine like terms, and your answer will be
, or the third option.
Answer:
7. 4
8. -2
Step-by-step explanation:
domain gose right so it should be 4 range goes down so it should be -2
Answer:
okay ans is A(w)=w2+5w-1/8piw2
Answer:
They give evidence of cultural, religious, or social characteristics of the people