Julie pays for a meal at a restaurant with a $20 bill. let c represent the cost of the food. the total cost includes a tip that is one-fifth the cost of the food. which expression represents the amount of change julie gets back after paying?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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