It takes 39 pounds of seeds to completely plant a 6-acre field. how many acres can be planted per pound of seed?

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Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g