What expression is this equivalent to -4x^2 + 2x - 5(1 + x)

With this one. will mark brainliest

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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.