Answer:
I believe the correct answer is B.
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>
Given: cos x =
, x is in Quadrant 4
Use Pythagorean Theorem to find sin x:
8² + y² = 17²
y² = 17² - 8²
y² = 289 - 64
y² = 225
y = 15
→ sin x = 
Use the double angle formula to find cos (2x):

Answer:
D
Step-by-step explanation:
It's the only thing not listed aka the number of math problems.
Answer:
Your answer would be B
Step-by-step explanation:
This is because in between the 2nd and 3rd seconds, there is a 2 unit space so that is how far the object moved in between these seconds,
Hope this helps you out!! Have a good day:))
Answer:
5 feet = 1 inch
Step-by-step explanation:
20 / 4 = 5
5 feet = 1 inch