Answer:
4583 Million is
4583 x 106
or
4,583,000,000
C because 6 times 8 is 48 which is greater than 42
The answer to this equation would be x=4. Is that what u were asking?
So hmm notice the first picture, that's the "inscribed angle theorem", as you'd know
now, notice angle 2 in yours on the second picture
Let

be the identity matrix. Then pick whatever matrix you like for

.