For this case we have the following expression:

The first thing you should know for this case, is that by power properties we have:
Every number raised to zero is equal to unity.
We then have to rewrite the expression:
Answer:
The given expression is equal to:
option 4.
Answer:
Y=7 and
X=9
Step-by-step explanation:
X+Y=16
X=2+Y
2+Y+Y=16
2+2Y=16
2Y=16-2
2Y=14
2Y/2=14/2
Y=7
X =2+Y
So X=9
Answer:
817/950=.86
.86*100=86
100%-86%=14%
There is a 14 percent decrease.
Step-by-step explanation:
please mark this answer as the brainlest
10) 7(2m+3)
11) 3(3r-1)
12) 2p(5q+4)