Sonia rolls a six-sided number cube 12 times and records if she rolls a 2. What is the number of trail for this binomial experiment

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?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

I'm confused on this could anyone me and show me what i need to do to solve it.