The answer is D. Hope this helps
.63 is a decimal. It represents part of something whole. I am not sure what you mean by model, but if .63 of the canvas is used, then 1-.63 is not used. 1 represents the full canvas.
1 - .63, or 1 minus .63 is equal to .37.
.37 of the canvas is left.
He just switched sides of the variables and numbers. Instead if adding the opposite.
It's yes because when graphed on a calculator the lines never intersect each other
delete this if it's wrong
