Advanced Placement (AP), 23.01.2021 02:30 oscar4hunnid

PLEASE HELP An open-topped box is to be created from a 100 cm by 80 cm piece of cardboard by cutting out a square of side length x from each corner.

a) Write an expression for the volume of the box in terms of x.
b) Write an expression for the surface area of the open-topped box in terms of x.
c) Write a simplified expression of the ratio of the volume of the box to the surface area.
d) Refer to your answer in part (c). State the restrictions on x.

PLEASE HELP

An open-topped box is to be created from a 100 cm by 80 cm piece of cardboard by cutt

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PLEASE HELP An open-topped box is to be created from a 100 cm by 80 cm piece of cardboard by cuttin...