What is the value of y?

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Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

How do i do this activity, is appreciated