A ray is a defined term because it has no width or depth is described using an undefined term has an informal definition travels forever in one way
Effective interest rate
R=(1+0.1878÷360)^(360))−1)*100
R=20.65%
B.) <span>∠COD and ∠DOB
[ It is because, they both lie under the perpendicular so their sum would be equal to 90 degrees, hence, they are complimentary ]
Hope this helps!</span>
Sorry I don't really understand the question but
If you are looking for r in terms of w:
3w - 6r = 30
-6r = 30 - 3w
r = -5 + 0.5w
r = 0.5w - 5
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If you are looking for the exact value of x, sorry, I don't know..... (-_-")
