Answer:
= x
Step-by-step explanation:
In right triangles the sum of square length of two legs is equal to square length of hypotenuse:
7^2 + 8^2 = x^2
49 + 64 = x^2 add like terms
113 = x^2 find the root for both sides
= x
Answer:

Step-by-step explanation:
Solve for
:

-Subtract
on both sides:


So, therefore, the final answer is
.
The slope is rise over run so it would be -1/3
Well Emily, i believe it is B.