A=1
45(5+25)a2=1
4·5·(5+2·5)·122≈247.74875
247.75
Answer:

Step-by-step explanation:

X+4x=35-20. 5x=35-20. 5x=15. X=3
The answer is 2-7x I'm 100% sure
Answer: 
Step-by-step explanation:
The area of a rectangle can be calculated with this formula:

Where "l" is the length and "w" is the width.
You can identify from the figure that the length and the width of this rectangle are:

Then, you need to substitute this lenght and this width into
:

Now, apply Distributive property:

Finally, you need to add the like terms. Then, you get:
