Please help me with these questions below! Rewards: Brainliest, Thanks, 50 points, and 5 Stars (If the answers are accurate)
You MUST show all your work!

1. Lenny bought a collector's item at a flea market for c dollars. He marked-up the item for 6.5% and sold it on Amazon. Write two expressions for the price of the item after the markup.

2. Malika sells picture frames. She buys the frames for $75 each and sells them at the markup rate of 20%. How much will a customer pay for a picture frame if an additional $15 shipping fee is charged per order? Write and solve an equation for this problem.

3. The price of a pair of Bose headphones increased by 15% in December.
Part A: The original cost for the Bose is h dollars, write an expression to represent
the cost of the Bose headphones after the increase.

Part B: If the original price of the Bose was $278.50, what is the price after the
increase? Use your expression from part A.

Good luck solving these! ;)