Answer:
C) 12/20
Step-by-step explanation:
Between 1 and 20, 10 numbers are even, 4 numbers are perfect squares (1, 4, 9, and 16), and 2 numbers are both even and perfect squares (4 and 16).
So the probability is:
(10 + 4 − 2) / 20 = 12/20.
The wife made 33,500 and the husband made 29,500

The appropriate choice is ...
... D) 1.0×10⁻³ inch
Step-by-step explanation:
hope this helps you
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The answer is x=4 and y=-4