Mathematics, 07.10.2020 23:01 kaylaamberd

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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