What is the final price of an item that cost $38 with 90% mark-up

Three coins are flipped. what is the probability that there will be at least two tails?

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

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?