Answer:
3. 2/9,2,0
Step-by-step explanation:
(2/9,2,0,-7)
I got 124 Sorry if its wrong
Answer:
14,535
Step-by-step explanation:
765 times 95 : 765 x 95 = 72,675
divided by 5 : 
Let me know if you want an even more in-depth answer
Happy to do so !
Answer:
On which topic is he making?
To find c you use cosine or adjacent/hypotenuse. To set up your equation it’ll look like h=16/cos(21). h=hypotenuse which is what your solving for. You should get 17.1383199. I’m not sure what your supposed round to so I gave the full answer.