Answer:
The x-coordinate of the solution is x=3
Step-by-step explanation:
we have
------> equation A
------> equation B
Solve the system of equations by substitution
Substitute equation B in equation A and solve for x




Find the value of y
------>
The solution of the system of equations is the point (3,2)
therefore
The x-coordinate of the solution is x=3
Answer:

Step-by-step explanation:
From C-A, it goes from y=1 to y=5, so that 4 units
From A-B, it goes from x = -1 to x = 4, that is 5 units
Now, to find distance from B to C, we need to use the distance formula:

Where the variables are the respective points of B and C,
B (4,5) & C(-1,1)
So x_1 =4, y_1=5, x_2=-1, y_2=1
Plugging into the formula we get:

Summing it all (perimeter is sum of 3 sides):
Distance = 
3rd answer choice is right.
Classical activation should lead to an effective immune response against pathogens.
<h3>What is the classical activation pathway?</h3>
This is the most common pathway in the immune system.
<h3>What does classical activation imply?</h3>
- This is triggered by specific antibody complexes that react to a potential pathogen.
- A set of proteins and specialized cells are activated to attack the pathogen.
- A membrane attack complex is created.
<h3>What is the outcome?</h3>
The desirable outcome of this system is an effective immune response against pathogens such as viruses and bacteria.
Learn more about pathogens in: brainly.com/question/13873423
Answer:42
Step-by-step explanation:
3 times 6 = 18
4 times 6 = 24
18 + 24 = 42
1/4 or 2/8 because if you look they are the same thing