<span>One way to ensure everyone in the population has an equal chance to be in the sample is to use random sampling.</span>
You break up the 207 into smaller numbers you can work with. 9 can go into 20 a maximum of 2 times, so you subtract 2*9 or 18 from 20. Then, you bring down the 7. 9 goes into 27 exactly 3 times, so you have 9*23=207.
Answer:
y=x^28x+31
Step-by-step explanation: