Answer:
it is 6
Step-by-step explanation:
i did this in one of my test so i know its right also because i doulbe checked it.
Y=-3
9+y=6
-9 -9
y=-3
subtract 9 from 6 that's what y equals
A^2 + b^2 = c^2
a^2 + 15^2 = 17^2
a^2 + 225 = 289
a^2 = 289 - 225
a^2 = 64
sqrt of 64 = 8
a = 8
x = 8
