Answer:
Option c
Step-by-step explanation:
We assume that the angle is in the first quadrant.
Observe the attached image.
if 
So:

By definition:

So:
adjacent side = 3
hypotenuse = 5.
Observe the attached image
We find the opposite side "x" using the Pythagorean theorem.

Then, for the angle u:

Answer:
41
Step-by-step explanation:
hope it helps
Answer:
140 = 40 + 10x
Step-by-step explanation:
The watch is 140 in total. He can pay 40 dollars currently. 10x is the amount of payments there are. How much he can pay with each payment (10x) is unknown so that is why there is the variable.
(26.8-18.5)•15=amount of people added
8.3•15=amount of people added.
124.5 people added to Smallville