An introductory apr is the interest that applies to

The answer is any combination of purchases, balance transfers and cash advances.

Step-by-step explanation:  An introductory APR rate is defined as follows:

An introductory APR rate is defined as a rate given by credit card issuers to new customers for a particular period. APR rate is very low or most often 0% that applies to any combination of purchases, balance transfers and cash advances depending on the details provided by the by the issuer.

Thus, the answer is  any combination of purchases, balance transfers, and cash advances.

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

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step-by-step explanation: