Answer:
(1,2)
Step-by-step explanation:
x+4y = 9
2x -4y= -6
Add the equations together
x+4y = 9
2x -4y= -6
-------------------
3x +0y = 3
3x=3
Divide by 3
3x/3 = 3/3
x=1
Now find y
x+4y = 9
1 +4y =9
Subtract 1 from each side
4y = 8
Divide by 4
4y/4 = 8/4
y =2
13 you add both of the factors
Answer:
88
Step-by-step explanation:
Answer:
A - is the best answer...
Answer:
3.14*9^2*12/3=
Step-by-step explanation:
V=π*r^2*h/3
3