Answer:
B
Step-by-step explanation:
Using the rule of logarithms
x = n ⇒ x = 
Given
50 = 1.70 , then
= 50 → B
Answer:

Step-by-step explanation:
I used this equation formula and just input the numbers given:

Where
P= final population
= original population
r = rate of growth
t = time
Hope this helps!
Answer:
The rate of change is $12/photo and the sitting charge would be 15.
y = 12x + 15
Step-by-step explanation:
Multiply 6 * 12 and subtract that from 87.
6 * 12 = 72
87 - 72 = 15
Answer:
The equation is : r + 2 = 7
Step-by-step explanation:
1+1+1+1+1+1+1 = r + 1 +1
7 = r + 2
R = 7-2
R = 5