Sunny earns $12 per hour delivering cakes. She worked for x hours for this week. Unfortunately, she was changed $15 for a late delivery on Tuesday. How much did sunny ear this week? Write tryout answer as an expression

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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

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup