I don't think that you can?
Answer:
there should be no greather less than sign
1/u = 1/f -1/v
1/v = 1/u + 1/f
10 - 8 = -2
8 - 6 = -2
etc, so -2 is the common difference
Answer:
The term angle of elevation denotes the angle from the horizontal upward to an object. An observer's line of sight would be above the horizontal. The term angle of depression denotes the angle from the horizontal downward to an object. An observer's line of sight would be below the horizontal.
Step-by-step explanation:
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