You need to give us the answers..
Answer:
12.3 – (-9.6) = 12.3 + 9.6
Step-by-step explanation:
Answer:
Part 1:
Yes, the side lengths form a right triangle.
Part 2:
Option d 37.1 cm
Explanation:
We need to use the pythagorean theorem.
In part 1, if the 3 side lengths are a right triangle, then, they must verify:

By the theorem. Then:

They're equal, then the lengths correspond to a right triangle.
For part 2, we need to use again the theorem. In this case:
Answer:
-2
Step-by-step explanation:
You can see that the line is passing through the negative point, which is -2.
I hope this helped!
~natasha