(x - 4)/(x + 4)
Step-by-step explanation:

<em>Note :</em>
- a² - b² = (a + b)(a - b)
- (a + b)² = a² + 2ab + b²
Answer:
8859.5
Step-by-step explanation:
if it decreases with 35% then after each year it is worth only 75% of its previous value. so after one year it is worth 75%*21000=15750. the next year it is 75%*15750=11812.2. and after the 3rd year itnis worth 75%*11812.2=8859.5
Answer:
it takes 357 minutes to walk 25 dogs speretly
Step-by-step explanation:
15×25
Answer:
2 × 2 × 2
Step-by-step explanation: