Give me 5 reasons why homework shucks and If it is illegal.

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?

When 2 is subtacted from 5 times the the result is 13. what number result when 4 times x is added to 1 ?