The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are shown below. means and mean absolute deviations of rainfall last week and this week last week this week mean 3.5 in. 2.7 in. mean absolute deviation 1.2 in. 0.5 in. which expression compares the difference of the two means to this week’s mean absolute deviation? (a) 0.8/0.7 (b) 2.7/0.7 (c) 0.8/0.5 (d) 2.7/0.5

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step-by-step explanation:

step-by-step explanation:

i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?