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Which of the following statements about arrays are true?
a. arrays are a group of variables that all have the same type.
b. elements are located by index or subscript.
c. the length of an array c is determined by the expression c. length.
d. the zeroth element of array c is specified by c[ 0 ].

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Which of the following statements about arrays are true?
a. arrays are a group of variables...
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