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-0.2(x - 20) = 44 - x?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.