Hey there!
This can be written as

This is in form of

, it can be expanded as
=> (n-7)(n+7)=0
=> n -7 = 0 or n + 7 = 0
=> n = 7 or n = -7
So option 7 , -7 are correct.
Hope this is clear :)
Have a good day:)
Step-by-step explanation:

Answer:
1320
Step-by-step explanation:
880/8 = 110
12x110 = 1320
We need Probability of drawing a heart Or drawing a face card other than a heart.
This is 1/4 + 9/52 = 11/26
C is the correct choice.