Answer:
A triangle with side lengths 4 cm, 5 cm, and 15 cm
Step-by-step explanation:
In order to form a triangle with given side lengths, sum of any two sides must always be greater than the third side.

If
and
are inverses of each other, then we have

Since
, we have

Solve for
:

(provided that <em>x</em> ≠ 0 and <em>x</em> ≠ -2)
Answer:
I think the answer is D.
Step-by-step explanation:
Five plus two times a number means 5 + 2n vice versa.
The square root of four is two
1. Match to B
2. Match to A
3. Match to D
4. Prime
Hope it helps!