Someone want to play truth or dare with me? ;)

Daphne has calculated the total cost of a meal to be $5. she wants to make 70 percent on each meal. what will be the cost of the meal after adding the percentage? a. $8.50 b. $7.14 c. $3.50 d. $14.00

Which scientist listed below is not one of those to advance the study of mathematics? a. euclid b. herodotus c. pythagoras d.archimedes

Paragraph about beethoven's later years of composition and life. did he develop a specific music style or component? how did his music evolve? what was he known for?