Or modeling, is the process of translating a verbal statement of a problem into a mathematical statement. a. data structuring b. data preparation c. problem formulation d. problem-solving approach

C. Problem Formulation

Step-by-step explanation:

It is a way of expressing thoughts, ideas and real life problem using mathematical approach or equation. For example, problems involving two variables can be tackled mathematically using simultaneous equation method.

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

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step-by-step explanation: