Students voted to have a guinea pig or a hamster as a class pet. Of those students, 18 voted to have a guinea pig. This number represents 72% of the students who voted. What is the total number of students who voted?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?