18.2 divided by 18 is 1.011
Number two is thirty weeks
Answer:
A. It will take 13 weeks until she gets the money nd she will have $50 left!
Step-by-step explanation:
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Answer:
Optical axis
Step-by-step explanation:
Optical axis is the rotational symmetry axis of the surfaces.
A line with a certain degree of rotational symmetry is called as the optical axis in an optical system.
It is the straight line that passes through the geometric center of the lens and joins two curvature centers of its surfaces.
It is also called as the principal axis.
Can you please explain this a bit better? i dont understand
