I need to find the missing angle and arc measures.
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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.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

How to simply and write the answer n a whole number