The would be A 18 for that math problem tell if that works
X^2-6x+9=0 has only one solution
Hope this helps
Answer:
103
Step-by-step explanation:

and 
There are 6 possible outcomes when rolling a die, 1, 2, 3, 4 , 5, 6
A
numbers less than 4 are 1, 2, 3
P( number less than 4 ) =
= 
B
numbers greater than 4 are 5, 6
P( number greater than 4 ) =
= 
D- 1/4
The probability of Blue shirt blue socks is 1/4 * 1/2 = 1/8
Add this to the same probability of black and black =2/8 = 1/4