so the coat went down from 50 to 35, namely 15.
if we take 50 to be the 100%, what is 15 off of it in percentage?

Answer:
36/-4
Step-by-step explanation:
A positive number divided by a negative number will<em> always </em> be negative, and a negative number divided by a positive number will <em>always </em>be negative!
Hope this helps!
Answer:
Option B. 
Step-by-step explanation:
we know that
In the right triangle of the figure
The sine of angle theta is equal to divide the opposite side to angle theta by the hypotenuse
so

substitute the given values

using a calculator

D.
Step-by-step explanation:
because cos0 = b/h
so cos0 = 8/15