6a + 60
5w + 25
56 f - 122
10.5 w - 31.5
0
m - n -1
:)))) NO NEED SOLUTION.
Answer:
Step-by-step explanation:
1.) 6C4= 15
2.) (1C1)*(6C3)= 20
3.) (2C2)*(6C2)= 15