Answer:

Step-by-step explanation:
Notice that
is a right triangle where its hypotenuse is
. We can also see that
. For this we must use the Pythagorean Theorem.
Recall:
The Pythagorean Theorem states that if you have a right triangle, the principal square root of the sum of the squares of each leg is the length the hypotenuse.
We can see that
and 

Answer:
x = None
y = 4
Step-by-step explanation:
There is nothing I can really do since it's not in y=mx+b form
Answer:A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line).
Step-by-step explanation:
Answer:
A rectangle has 4 sides with C: Two Lines of Symmetry.
Step-by-step explanation:
It is 50 thousands because 5 times 10 = 50.