Atrain travels 226 miles from washington, d. c.,to new york city in about 2 hours and 30 minute. what is the average speed of the train in miles per hour? round to the nearest mile per hour.

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?