What sum is represented by the following number line? a. 2 3/4 + (-3 1/4) = -1 2/4
b. 2 3/4 + ( -4 1/4) = -1 2/4
c. -1 1/2 +2 3/4 = 4 1/4
d. 3 1/4 + (-4 3/4) = -1 2/4

please help

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

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