Please can someone help me

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

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?