You would convert one of the units to the other, then find the ratio between them when they are the same.
Example: 2 inches and 10 centimeters
1 inch = 2.54 cm
2 x 2.54 = 5.08
10 / 5.08 = 1.969
10 cm is 1.969 times longer than 2 inches.
Answer:
Area = 52.81 square inches
Step-by-step explanation:

Just Subtract Riley ( 23 kg 128g ) minus Lassie ( 21kg 249g ) and then you get your difference
This is an example of a quadratic equation.
Whenever you see that the variable x is raised to the second power, you have a quadratic equation. The graph of this will look like the letter U and be called a parabola.