exam Maths Puzzle Numerical Ability

Our teacher wanted us to graph this equation: y= -3/4x+3
And she wanted us to use a "T-Chart" and I know what that is, but the fraction gets me confused. This problem was from our daily warm-up not from any textbook.

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exam Other Question
Determine the equation of each line. Write the answer in standard form using only integers as the coefficients.



The line through (0,9) that is parallel to the line 3x+5y= A data set of size 19 has a correlation coefficient of r = -0.432. Test the significance of r at the 5% level and at the 1% level.
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I am so confused. Please help,

Ellen