Y = 2+9+5 = 16
answer is D 16
Step-by-step explanation:
324+x²=729
x²=405===> x=√405===> 9√5
Answer:
The picture isnt really showing for me
Step-by-step explanation:
It's either me or the picture.
I'm pretty sure it is associative, but i haven't studied this in yearsss. <span />
Answer: 9
Step-by-step explanation:
When you multiply 9*9, you get 81 whose sum is 9 (8+1)
Likewise, 9*8=72( 7+2=9)