12.6 because it has to be the same as ED
Answer:
x²+6x+9=0
x²+3x+3x+9=0
x(x+3)+3(x+3)=0
(x+3)(x+3)=0
either
x+3=0
x=-3
or
x+3=0
x=-3
Step-by-step explanation:
next method
x²+6x+9=0
x²+2×x×3+3²=0
it is in formula of (x+y)²
(x+3)²=0
x+3=√0
x+3=0
x=-3
Step-by-step explanation:
y = x + 2
X. <u>Y</u>
3. 5
4. 6
5. 7
6. 8
Based on this table, the graph that best represents the table is the one on the right.
Answer: 
Step-by-step explanation:
Given
Length L=15 feet
width b=2 feet
Volume V=375 cubic feet
Suppose h is the height
Volume is given by 

Answer:
B. The Parameter are different from Zero
Step-by-step explanation: