At a game show there are 6 people including you and your friend in the front row. the host randomly chooses 3 people from the front row to be contestants. the order in which they are chosen does not matter. how many ways can you and your friend both be chosen

3; 9 is 8 to -4

step-by-step explanation:

what are the statments

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

i dont know the answer but here's a picture of a dog