A line would be best used to model the surface of an aquarium, by putting a line on top of the surface and checking if the water is level or not.
<span>Selection A is correct</span>
Answer:
180 in
Step-by-step explanation:
10*6*3=180
Y = 20x
y • x = 180
180/x = y
180/x = 20x
180 = 20x^2
x^2 = 6
x = + or - 3
Therefore y must equal + or - 60.
The answer to the question is a