Answer:
15
Step-by-step explanation:
a^2 + b^2 = c^2
9^2 + 12^2 = 225
Hope this helps!!
d
It will not always be 50%it sometimes be less or more
x = 5
4x = 1x + 15
subtract 1x from both sides
3x = 15
divide 3 from both sides
this is what I got
