Irene is going to read a 216-page book. if she reads at a rate of 18 pages per day, how many days will it take her to read 1/3 of the book?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25