Answer:
the answer is 5n+8
Step-by-step explanation:
4n+n=5n
6+2=8
-x^2 + 4x + 12 = -3x + 24
-> x^2 - 7x + 12 = 0
-> (x-3)(x-4) = 0
-> x= 3 or 4
so y = 15 when x = 3, y = 12 when x = 4
Answer:
there would be 420 cards in total
Step-by-step explanation: