Please help me with these questions

Pls an ice cream shop sells 5 times as many cake cones as waffle cones use variable x to represent the number of waffle the ice cream shop sells and use this variable to write an expression for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the ice cream shop sells

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd