Answer:
Step-by-step explanation:
x² - 12x + a = (x + b)²
x² - 12x + a = x² + 2xb + b²
-12 = 2b and a = b²
b = -6
a = b² = 36
Answer:
8 feet
Step-by-step explanation:
12 x 2 =24
40 - 24 = 16
16 /2 = 8
Hope it helps :)
Answer:
6/13 7/13 chance to get the marbles
Step-by-step explanation:
No it has a solution
X=0
Subtract 4 from both sides to get -6x=0
Divide by -6 on both sides you get x=0
If you use substitution the should be answer 30