Select the correct answer from each drop-down menu. They were in their praise of the new movie. I got tired of his complaining. It's a thing, so I didn't bother with it. I let the car as I waited outside his building.

What does a triple-beam balance require the user to do? add the numbers from the three sliders to determine the mass of an object multiply the numbers from the three sliders to determine the mass of an object add the numbers from the three sliders to determine the volume of an object multiply the numbers from the three sliders to determine the volume of an object