12x+3y=45
12x+y=45/3
12x+y=15
x+y=15/12
x+y=1.25
Since they are two and u need the answer for Y
So 1.25/2= 0.625
So Y=0.625
*NOTE: I’m not sure so confirm*
I think
y = 3x - 9x + 3x - 2
y = - 3x - 2
B none of them are repeating
2. 4 77/100
3. 10.7
4. 6 57/100
Answer:
D.
Step-by-step explanation:
Side length of square = Perimeter/4 = 36/4 = 9
Length of diagonal (x)