Answer:
I'm pretty sure the answer is the second choice
Step-by-step explanation:
because you have to add X to both sides
In the terms it’s none of them because this is way to confusing
Answer:
5 units
Step-by-step explanation:
By Pythagoras theorem:

Answer:
40
Step-by-step explanation:
The answer is B. The angle next to 100 degrees would be 80 as the angles are supplementary. Then you would add 80 + 70 = 150. All the angles in a triangle add to 180, thus making the "x" angle 30 due to 180 - 150.
Hope this helped :))