Help with this question please and thanks in advance

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?

What is 0.000008 meters in scientific notation

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?