Pls help I’ll brainlest

Do it like that how that promblem is solved

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.

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?

Leo takes 30 minutes to eat dinner, 15 minutes to change clothes, and 20 minutes to walk to practice. if leo needs to be at hockey practice at 7: 15pm,.what time does he need to begin