Mr. and Mrs. Simpson went to the movies. They bought some popcorn for $25.50, two boxes of candy for $18 and two drinks for $14.25. They gave the cashier some money and received $2.25 back. How much did they give the cashier?

15 points ! ~ see if you know the answer to both you!

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years