1.

Answer: y = -25.5 + 1.5x

[ON]

[MODE] [3] [1]

[SHIFT] [AC] [=]

[3] [,] [(-)] [2] [1] [M+]

[7] [,] [(-)] [1] [5] [M+]

The general equation for a line is y = a + bx

[SHIFT] [7] [=] to find the a, which is -25.5

[SHIFT] [8] [=] to find the b, which is 1.5

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