Answer:
this is the correct answer for plato (Roger should make 10 fire trucks and 15 dolls in order to minimize the time spent making toys.)
Step-by-step explanation:

Given that the equation is 3x² - 6x + 3 = 0
Discriminant = (-6)² - 4(3)(3) = 0
When the discriminant is 0, it means that there is one -real0number root,
Answer: one real-number root.
The bank account owner is withdrawing money at the rate of $50/month. The account balance is steadily declining.