Answer:
The answer is Identity Property of Addition :D
Answer:
52 cm
Step-by-step explanation:
Use the pythagorean theorem to solve for missing sides in a right triangle.
20²+48²= missing side
20²+48²=2704
Take the square root of 2704 to get the missing side.

<span>the answer is : 9.77777777778</span>
Dy\dx=-2+y/x+1 is the answer I think