Andrew wants to fill a glass tank with spherical marbles and then fill the remaining space with water. The variable w models the amount of water (in liters) Andrei uses if he used n marbles.

g(x) is the negative form of f(x)? because whenever its the negative form it reflects its self over the x axis. idk if this is right though.

step-by-step explanation:

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.