Answer: The cat is 2/3 times as heavy as the dog.
Step-by-step explanation:
The weight of Priya's cat =
Now, 
The weight of her dog =

Let cat is n times heavy as dog.
Then 

Hence, The cat is 2/3 times as heavy as the dog.
Answer: Add 2 to each side
Step-by-step explanation:
9m-2=16
+2 +2
9m=18
Answer:
40/41
Step-by-step explanation:
From the given diagram;
BA is the hypotenuse = 41
AC is the opposite = 9
CB is the adjacent = 40
Cos<B = adjaccent/hyp
Cos<B = CB/BA
Cos<B = 40/41
Hence the required ratio is 40/41