Answer:
7/15.
Step-by-step explanation:
Prob( even number) = 7/15 (as there are 7 even numbers from 1 to 15).
So the required probability is 7/15 + 1/15 = 7/15.
An = a + (n - 1)d
A25 = -1 + (24)-10
A25 = -1 -240
A25 = -241
Answer:
Exact Form:
7/ 6
Decimal Form:
1.1
6
Mixed Number Form:
1 1/
6
Step-by-step explanation:
I suppose a DJ wants to select 4 different songs, then there are: 12*11*10*9 = 11880 ways to choose them.
If the order of the songs he plays doesn't matter, there are: 
ways to choose them.
To find slope it is rise over run which is 20/60 but that can be reduced to 1/3. Do your equation of the line is y=1/3x
