Answer:
em i think the answer would be 44
Answer:
-4
Step-by-step explanation:
So firstly, square root 9a^2 and 49: 
Next, combine like terms, and your answer will be
, or the third option.
P/90 = 4/18
18P = 90*4 [cross-multiplication]
P = 360/18
P = 20
So, answer is P equals to 20