Answer:
x = 5
Step-by-step explanation:

Answer:
See below.
Step-by-step explanation:
It transforms to the Pythagoras theorem.
c^2 = a^2 + b^2 - 2ab cos C
If C = 90, cos C = zero so the last term disappears.
c^2 = a^2 + b^2 - 2ab * 0
c^2 = a^2 + b^2.
Answer:
X and Y
and for ast two answers pls give me the options
You start from negative 7 in number line and you go left 4