5a+b = 5(6)+3 =3
10-r+5 = 10-(9)+5 =6
Answer:
About 110.6
Step-by-step explanation:
The sine of an angle is the length of the opposite side divided by the length of the hypotenuse.

Hope this helps!
Use Pythagorean theorem (a^2=c^2-b^2)
.08 x .04 is the right answer