How to make 155 using 3 prime numbers(you must multiply)

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2