No he would have to add 2 to both sides
Once added you will have x=11
Answer:
4
Step-by-step explanation:
25-9/3-(-1) =
16/4 = 4
Answer: 
Step-by-step explanation:
You must draw a right triangle as the one attached, where "x" is the lenght in feet of the ramp.
You need to use the following Trigonometric Identity:

In this case you can identify that:

Now you must substitute these values into
:

Finally, you must solve for "x" in order to find its value.
This is:

I really don’t know but my guess is 3
Area of square = a^2 = 4^2 = 4 x 4 = 16
answer
16