The correct answer is B. -2x-6
The pattern is:
( a - b )² = a² - 2 a b + b² ( square of last term of binomial - the missing term)
x² - 2 · 8 · x + 8² = x² - 16 x + 64 = ( x - 8 )²
The missing term is: 64
Answer: 73.1 pounds of sand.
Step-by-step explanation: 48.5 Pounds (Big Bag) + 24.6 (Small Bag)
48.5+24.6 is equal to 73.1 pounds of sand. That is how much sand was purchased altogether.
Tenemos precio de lista de $25 para el libro.
Si aplicamos un descuento del 25%, este descuento representa:

Ahorramos $6.25.
El precio que pagamos el libro es $18.75.