Kevin has 9 stamps that have the image of a boat on them . if this is the 30% of the total collection of stamps kevin has , how many stamps does he have?

What is the product of the radical expression. (7-2square root) (8+2 square root)

Does anyone know how to do geometryme with this problem

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?