Two planes intersect in a line that contain all common points of these two planes.
1. Plane named ABFE contains points A, B, F and E.
2. Plane named BFCD contains points B, F, C and D.
As you can see points B and F are common points for these two planes, then the line of intersection is BF and its notation is 
Note that notation
stays for segments and notation
stays for rays.
Answer: correct choice is A.
Answer:
24m^2
Step-by-step explanation:
to find the length of a rectangle you do base x height. this means that 8m x 3m is 24m^2
The error bound for a trapezoid rule is given with this formula:

Where n is the number of points we used in the approximation, a and b are starting and ending point of an integral, and K is the number such that:

In order to find K we must find the second derivative of our function:

From this, we can see that our K is 120. This is the amplitude of this periodic function.
Now we can calculate the error bound:

Since you did not specify the interval of integration I cannot compute the final error bound. You can simply plug in the numbers to get the answer.
The best way to do this is to make up values for the sides.
Say the lengths of square B's sides are each 4 cm. That means A's sides are 2 cm.
So, the area of square B is 4^2 = 16 cm^2, and A's area is 4 cm^2. We can see the shaded area is half of A, so it's 2 cm^2.
What percent of 16 is 2?
2 / 16 * 100 = 12.5%
Answer:
<h2>In the attachment.</h2>
Step-by-step explanation:
Convert the given equation to the form y = mx + b:
<em>add x to both sides</em>
<em>divide both sides by 2</em>

It's a linear function.
We need only two points to plot the graph. Select any two x values, insert into the equation and calculate y values.
for x = 1

for x = -5
