Find all real solutions of the equation.
x7 + 64x4 = 0

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Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.