Answer:
D
Step-by-step explanation:
x² - 81 ← is a difference of squares and factors in general as
a² - b² = (a + b)(a - b)
Here a = x and b = 9, thus
x² - 81 = (x + 9)(x - 9) → D
Answer:
1/3 or .3333333.....
Step-by-step explanation:
Answer:46 by 46 that is how much for two tshirts will cost
Answer:
80,60
Step-by-step explanation:
The answer is probably 50 ok