Answer:
y = -1x +6
Step-by-step explanation:
In the first digit, there are 6 possibilities. In the second, there are 5, because you can't use the digit you used before. In the third, there are 4, and in the fourth, there are 3. So,
6*5*4*3=360
There are 360 different possible four-digit numbers
Answer:
D
Step-by-step explanation:
I would just round up to 200 and then subtract twelve or just subtract 200 what ever way u prefer.
Answer:
as a percentage it is: 0.25 x 0.2 =0.05 or 5%
but as a common fraction it is: 5/100 or 1/20
Step-by-step explanation: