Answer:

Step-by-step explanation:
The given quadratic equation is:

Comparing it with the standard form of Quadratic Equation
, we get:
a = 3, b = -9 and c = 1
Discriminant = b² - 4ac
D = (-9)²-4(3)(1)
D = 81 - 12
D = 69
It decreased $7 in the last 2 days
Answer:

Step-by-step explanation:

<em>Answer:</em>
C. Step 2: Olivia incorrectly determined One-half of 10% of 720.
<em>Step-by-step explanation:</em>
On the unit test on edge, hope this helps UwU