Ithink write it but i need to write it out can you me

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

Nathan has ordered a pizza that costs $20.00. he wants to give the delivery person a 20% tip. how much should the tip be?

Ethan and christine are having a discussion about last week’s math homework. which form of human communication are they using? a. mass communication b. intrapersonal communication c. computer-mediated communication d. interpersonal communication   select the best answer from the choices provided