Answer:

Step-by-step explanation:

16y-4, i got this by you need to multiply the 4y and the other 4y. 2 times -2 = -4.
Answer:
9/15 = 3/5 (simplified)
Step-by-step explanation:
In a right triangle, the cosine is the ratio of the adjacent side to the hypotenuse:

The adjacent side is the side that makes up the angle but is not the hypotenuse.
I'm assuming the answer box should ask for cos(theta) rather than cos(x).
Yes.
Combining the x terms and the numbers, we get
-10+5x+24
14+5x