Answer:
D
Step-by-step explanation:
Answer:
3√7
Step-by-step explanation:
√63
√3x21
√3x3x7
3√7
Answer:a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.
Answer:
The number is -3.
Step-by-step explanation:
X = a number
X + 12 = 9
Rearrange to get X on its own.
X = 9 - 12
X = -3