The Gainey's and the Arnolds are saving money for a trip to Utah to go snowboarding. the Arnolds are going to save a nickel on the first day of the month and then double the amount each day for a month. the Gainey's are going to start their savings by saving $10 on the first day and then $10 each day of the month. Write a recursive and explicit formula for each option.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.