Johnny can buy two 8-foot pieces of 2" by 4" lumber at $2.60 each, or three 6-foot pieces for $1.92 each. which is the better buy per foot?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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.

Ineed with math stuff it involves graphs