Answer:
I belive it is 'A' 9
Step-by-step explanation:
because the square root is 8.66025404 so that rounded to the nearest integer would be 9
y=3x-15
3x-2y=15
+2y +2y
3x=15+2y
-15 -15
hope it helps you..............
by adding :
e=_4
d=24.....
Answer: 40 cm ^2
cuz math
they are:
1. random
2. systematic
3. convenience
4. cluster
5. stratified