Answer:
9 and 12
Step-by-step explanation:
hope this helps.
ANSWER
Approximately after 15 minutes.
EXPLANATION
The growth rate of the first bacteria is

The growth rate of the first bacteria :

To find the time that, there will be an equal number of bacteria, we equate the two equation;



We solve for t to get,

Or

We discard the negative value.
This implies that,

Answer:
a
Step-by-step explanation:
9(5x)=45x
9(2)=18
4(8)=32
4(-x)=-4x
45x-4x=41x
32+18=50
41x+50
Answer:
B
D
A
Step-by-step explanation:
Given:
A. 
B. 
C. 
D. 
Now, let us evaluate the given expressions one by one.

It is equation B.
So,
is equivalent to B.

It is equation D.
So,
is equivalent to D.

It is equation A.
So,
is equivalent to A.
So, answer is:
B
D
A
Answer:
1, 2 and 3
Step-by-step explanation:
First you must know that the coordinate of a point is expressed as (x, y) wgere
x serves as the input value (domain)
y serves as the output values
Given the coordinates (1, 4), (2, 5), (3, 6), the input values will be the values at the x coordinates of the points that is 1, 2 and 3.