21.1 should be the correct answer because 4.5% of 2000 is 90
Answer:

Step-by-step explanation:
The scale of the map is 1 centimeter distance on the map represents 20 kilometers of actual distance.
The distance between the two cities is 3.5 centimeters on the map

So,

So, the distance between the two cities is
.
Answer:
y-axis, x-axis, y-axis, x-axis
Step-by-step explanation:
Alright, so this problem looks a lot harder than it really is. When you flip a point across the x axis, y becomes negative, and when it is flipped across the y axis, x becomes negative. This means that if the x value changes signs it was flipped on the y axis, and vice versa.
The digit 2 would be in the hundred thousands place because if you say it out loud its "three million, two hundred fifty four thousand, one hundred and seven"