Step-by-step explanation:
log <base a> b = x
means
a^x = b
So
3^2 = x^2+7x+21
x^2 + 7x + 21 - 9 = 0
x^2 + 7x + 12 = 0
(x+3)(x+4)
x = -3 or -4
The answer to your question is most likely A
Answer:
28
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
75/15=5
Bam
Answer:
165
Step-by-step explanation:
