A distance is measured as 27.3 inches and 15.6 inches with the standard deviation (error) of 0.16 inches and 0.08 inches respectively. Determine the mean and the standard deviation of the sum. 42.9 inches and 0.18 inches 42.9 inches and 11.7 inches 42.9 inches and 0.179 inches O None of the above answer O 11.7 inches and 0.18 inches

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: