Karina salió a pasear y, al regresar, encontró en su puerta unos cachorros sin dueño. El número de cachorros que encontró está expresado como la suma de sus factores primos después de Factorizar: F(x)  (x - 3)(x - 2)(x - 1) + (x - 1)(x - 2) – (x - 1). Indicar la cantidad de cachorros. a) 2x – 4 b) 3x – 5 c) 3x – 6 d) 2x – 3 e) 3x - 4

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

How is this equation completed? i cannot find any examples in the book.