Answer:
The answer is b ($9.74)
Step-by-step explanation:
I got it right (:
Recall the fundamental rule of trig:

So, there exists an angle
such that

if and only if

Working out the numbers, we get

So, there doesn't exist a number
such that

If you mean hours, and Minutes that is 1 hour and 30 minutes.. s a fraction that is 1 1/2. Or 90/60
Anything without a variable in front.
In other words, the constants are -3.7 and 1/3
Answer:
7 seconds per song?
Step-by-step explanation: