<span>one billion twenty-four million</span>
9x+12=5x+4
9x-5x=12-4
4x=8
x=8/4
x=2
Answer:
sin(π/8) = (1/2)√(2-√2)
Step-by-step explanation:
Using the half-angle formula ...

We can let θ = π/4 and simplify the result as follows:

It's C because 1 and 5 are the same angles so they are parallel.