Answer:
In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.
Answer: 3
Step-by-step explanation:
The degree of a polynomial is the biggest exponent in the expression
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yep, basically 3
Answer:
The quotient = x + 5 and the remainder = 20
Step-by-step explanation:

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The quotient = x + 5 and the remainder = 20
If I understood given text quite well than equation will be
4x + 3 (x+4) = -9 => 4x+3x+12=-9 => 7x=-21 => x=-21/7=-3 => x= -3
Good luck!!!