7.
If c = 16
that means the equation is
16 - 9
which is 7
so 7
For the first 1 X= 11 because all you need to do is add or subtract the numbers visible.
The second would be 2.
12:17
12 children ( per or < or >) 17 balloons
I tried
Given the numbers above and those numbers only the mean would be 1.8
x = -6, 8
Find the values of x by factoring, getting
(x - 8)(x + 6) = 0