Sales tax in your community is 5,25 cents for each dollar spent. What is the total cost at the movies for three tickets at $8.50, three bags of popcorn for $1.25 each, and two soft drinks for $1.50 each?
- 318.50 +1.25 +1.50) +5.25 = 38.90
1.0525 (3(8.50 +1.25 +1.50)} = 35.52
1.0525{3(8.50 +1.25) + 2(1.50)} = 33.94
3(8.50 +1.25 +1.50) +0525 33.82
3(8,50 +1.25) + 2(1.50) +.0525
32.30

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d

How does percent markup and percent discount relate to percent of change?