Answer:
<h2>4</h2>
Step-by-step explanation:

That seems so hard, sending prayers and brain cells to you.
Answer:
;
is even and greater than zero.
The absolute value function 
Step-by-step explanation:
The power function;
;
is even and greater than zero, is symmetric with respect to the positive y-axis.
As
and as 
The absolute value function
also has the same end behavior.
The remaining functions in the options provided do not exhibit this end behavior.
See graph in attachment.
Let x be the brick portion of the wall
Since x is 2/3 of the wall
Then x= (2/3)(2 3/4)
x= 11/6 = 1 5/6
So the brick portion of the wall is 1 5/6 feet
Note: that's not 15/6, it's a mixed fraction which is 1 + 5/6.. just to let you know
Answer: All real numbers
Step-by-step explanation: If you plug in any number, it will work. 4(a+3) = 12+4a. a=-3 0=0