Question

Can any one do B and B please help me I need help me please thank you

Answer 1

see below

Explanation:

1 B Answer :

`7*7*7*7*7/7*7*7*7=7` or
`7^(2+3)/7^(4) =7^(5-4) =7^(1) =7`

2 B Answer :

`k^(4*2) * k^(5) =k^(8+5) =k^(13)`

3B Answer :

`5a-15-a/1=5a-a-15=4a-15`

Hope that help