Mathematics, 29.10.2020 22:00, cmcdonnell8812

How do you know whether two quantities x and y are proportional? A. Every ratio yx for related pairs of x and y is equivalent.
B. Every sum x + y is the same for related pairs of x and y.
C. Every x term is a multiple of the previous term.
D. Every difference x – y is the same for related pairs of x and y.

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How do you know whether two quantities x and y are proportional? A. Every ratio yx for related pair...