Aveterinary office takes out a loan to purchase a new set of digital animal scales that costs $12,250. the interest rate is 6.5%, and the total interest paid is $2,388.75. how many years is the loan for?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units