Answer:
t=21
Step-by-step explanation:
An operational definition can both define and measure the hypothetical construct. The hypothetical construct is also called psychological construct is an explanatory variable which cannot be directly observed. It is also a tool to understand someone’s behavior. For example measuring you friend happiness.
90% of 100 = 0.9 x 100 = 90
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Answer: The visitor can see 90 ships.
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It would be (12,20) or (20,12) I don't know which one
