Answer:
Step-by-step explanation:
49b² - 81 = (7b)² - 9 ²
by identity : 49b² - 81 = (7b - 9)( 7b + 9)
Answer:
C
Step-by-step explanation:
Answer:
A. 24.5
Step-by-step explanation:
HOPE THIS HELPS!!!!
Can I have Brainliest???
Answer:
162
Step-by-step explanation:
Since the ratio is 3, the terms are 3 times the term before.
So the answer is 2*3^4 = 162