A set of trading cards sells for $5 before tax. After sales tax, it costs $5.50. What is the sales tax rate?

A) 5%
B) 8%
C) 10%
D) 90%

Please explain how you got your answer!

(20 points)

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Jackie bought a bag of oranges. she used 3/8 of the oranges to make orange juice. she used 1/3 of the oranges to make a fruit salad. she put 1/8 of the oranges in a bowl on the table. she put 2/12 of the oranges in the refrigerator. a) jackie left more oranges on the table than she put in the refrigerator. b) jackie used fewer oranges to make orange juice than she left on the table. c) jackie put fewer oranges in the refrigerator than she used to make the fruit salad. eliminate d) jackie used more oranges to make a fruit salad than she used to make orange juice.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together