Carter and Monica went to lunch at a cafe. They ordered a spinach salad for $4.85, a tuna sandwich for $4.85, and 2 glasses of lemonade for $2.30 each. The tax was $1.45. They gave the waiter $20.00. How much change should they have received? please I begged you to help asap!!! please help!

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Which of the following best describes the figure?