exam Maths Puzzle Numerical Ability

solve each sytem by graphing.

x + y = 6
x - y = 2

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exam Other Question

Help me please I can not understand this. How do you graph f(x)=-x-2.PLEASE HELP Thank you in advance. A car dealer investigated the association between the number of TV commercials he ran each week and the number of cars he sold the following weekend. He found the correlation to be