Describe and correct the error in writing an equation of the line y=1/2 x + 4

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

What rotation was applied to triangle def to create d’e’f’?

What is the radius of the cone in the diagram? round your answer to the nearest whole number