Answer:
15
Step-by-step explanation:
Answer:
if she got 4 questions wrong it would be 12
her score if she got x questions wrong it would be 20-2x
Step-by-step explanation:
Discriminant : k² - 4(12)(27) < 0
So k² - 1296 < 0, -36 < k < 36.
38 is 10 times more than 3.8
