Answer: 12
Step-by-step explanation:
So if its 1-10, and you can either roll a 1 or 2, it would be 2/10, then simplified to 1/5, and in order to get the answer you need to multiply it by 60
1/5 x 60/1 = 12
(sorry if I got it wrong, feel free to correct me if I did)
Answer:
4
Step-by-step explanation:
2 + 2 += 4
This can be solved by addition.
Answer:
infinitely many solution......
Answer:
D. 
Step-by-step explanation:
Given the expression:

divide by the common factor to have;
= 
= 
= 
Rationalize the denominator, we have;
x 
So that,

Thus,
= 
The correct option is D.
Answer: Choice B its easy if you do the work
Step-by-step explanation: