
The polynomial p(x) can be found by multiplying 'x-3' to every term

Now distribute and you have your answer.
Answer:

Step-by-step explanation:
Multiply numerator and denominator by √2

The answer would be to divide 1030 by 50 and you would get 21 coaches not 20 because 50x20=1000 and there are 30 remainder. Therefor, you would need that extra coach with some seats left to spare. so your answer is 21 coaches
Answer:

Step-by-step explanation:
√(-100)
Use the imaginary number rule 
√(-1) × √(100)
i × √(10²)
i × 10
= 10i
A.0 I don't actually know