Answer:
The solution set is {-1, 7}.
Step-by-step explanation:
X^2-6X=7
X^2 - 6X - 7 = 0
(X - 7)(X + 1) = 0
X = 7, -1.
a
9
The dice will have 6 sides so divide 54 by 6
40
12x5=60
100-60=40
