I think its a integer,rational number
Answer:
7 - 9.8g
Step-by-step explanation:

Hope this helps.
Answer:
C) 5/13
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you that the cosine ratio is ...
Cos = Adjacent/Hypotenuse
For the given problem, this means ...
cos(B) = BC/BA = 15/39
cos(B) = 5/13
20%
Because Suppose x% of 20 is 4
That is
x100×20=4
or
x5=4
—> =4×5=20
So 20% of 20 is 4