Answer:
7;4 7 to 4
Step-by-step explanation:

Say r is rational. Suppose for a second, that s is not. Then, r+s is irrational. But this contradicts the fact that b is rational.
So, if one root is rational, then the other root is also rational
Answer: NA and Rb and there are 20 protons in calcium!
Step-by-step explanation:
Answer:
8
im pretty sure :))
Step-by-step explanation:
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Answer:
3
Step-by-step explanation: