Answer:
-124
Step-by-step explanation:
The equation for a discriminant is:

So for

a = 7 b = - 4 c = 5
Plug values into the equation.

16 - 140 = -124
An other name is skip counting
It's more efficient to hold a random drawing because the probability is higher.

For every 2 person, 1 person gets to go to the concert.
Answer is 1/2 aka 0.5 aka 50%
Hope this helps. - M
Perimeter = 2*14 + 2x where x is length of the adjacent side
46 = 28 + 2x
2x = 18
x = 9 inches Answer