The answer to 1. (1, -2)
The answer to 2. (-2, -2)
The answer to 3. (4, -1/2)
The answer to 4. (3, -1/2)
The answer to 5. No solution.
48/60 = .8
This means 80% of 60 is equal to 48.
Thus, a0% = 80%
and we can determine that a = 8.
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C) 12V2
12^2 + 12^2 = c^2
144 + 144 = 288
V288 = 12V2