Okay so all you have to do is add all of them together. Which I got 46. But then you need that question mark one. Use 17 cause that’s the length of the other side and subtract it by 5 because that’s how much less the other side is so 12. Add 12 to 46 and you get 58.
It is 0 because of the sin being 0
Answer:

Step-by-step explanation:

Answer:
w=1 5/24
Step-by-step explanation:
7/9-4/3w=-5/6
-4/3w=-5/6-7/9
-4/3w=-15/18-14/18
-4/3w=-29/18
w=-29/18:(-4/3)
w=29/18*(3/4)
w=29*3/18*4
w=29/6*4
w=29/24
w=1 5/24