#9
3/8 x 4/11 = 3/22
#12
9/20 x 4/5 = 9/25
Hi there!
Here we go:
-5 + a = -10
Add 5 to each side of the equation
a = -5
There you go! I really hope this helped, if there's anything just let me know! :)
Answer:

Step-by-step explanation:
A standard die has six numbers (1 through 6). That means there is a 1/6 probability of rolling any one number. There is a 3/6 probability of rolling one of the selected numbers which simplifies to 1/2 or 0.50
Line DE is 4 squares and Line BC is 8 squares.
The length of line DE is 1/2 of line BC
Answer:
wat is the question?
Step-by-step explanation: