An eraser is in the shape of a triangular prism. Its dimensions are shown in the diagram. What is surface area of the eraser? 50 mm
40 mm
40 mm
30 mm
3,600 square millimeters
4,800 square millimeters
5,400 square millimeters
6,000 square millimeters

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step-by-step explanation:

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lol we need to see what the question is asking about

step-by-step explanation:

55.44 inches

step-by-step explanation:

part a. assuming a perfectly linear relationship, we can find the slope from the first two data points.

slope = m = (change in rainfall)/(change in years)

= (61.80 -62.33)/(2005 -2004) = -0.53/1 = -0.53

then the point-slope form of the equation of the line can be written as

y = m(x -h) +k . . . . . m = -0.53, (h, k) = (0, 62.33)

y = -0.53x +62.33 . . . x = years after 2004

part b. in 2017, x = 2017 -2004 = 13. then the predicted rainfall is

y = -0.53·13 +62.33 = 55.44 . . inches

the predicted rainfall in 2017 is 55.44 in.