A puffin is flying at 29 feet above sea level. What integer represents the change in elevation, in feet, that it will have to fly to reach sea level?

Ireally need ! if a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month, what will the 3.35% monthly interest charge be at the end of the first month? show your work or explain how you got your answer.