Step-by-step explanation:
6)

7)

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9)

Answer:
The square roots of 144 are 12 and -12 which are rational numbers.
Step-by-step explanation:
Answer:
the first one will be a <u>positive correlation</u>
the answer for the second Q will be 16
Step-by-step explanation:
have a nice day
Answer:
1260 is cost price and 140 is profit.
Step-by-step explanation: