Answer:
41.6
Step-by-step explanation:
multiply 8.4 by 4.8
8.4
x 4.8
-------
32.0
1.6
4.8
3.2
+ --------
41 .6
30/25 - 1 = 0.2 = 20% increase
the sinθ is 4√17 / 53.6
All the steps are on the image :)