Answer:
a=1
b=2
c=-8
y-intercept: (0, -8)
Line of symmetry calculation: x = -2/(2*1)
Line of symmetry: -1
Opens up because a > 0
Minimum
Vertex: (-1, -9)
Domain: -∞ < x < ∞ (no domain constraints)
Range: [-9, ∞]
Step-by-step explanation:
There is a 47% decrease in Jane's closet space.
Step-by-step explanation:
Old measurement of closet = 66 square feet
New measurement of closet = 34.98 square feet
Change = New value - Old value
Change = 34.98 - 66 = -31.02 square feet
The negative sign indicates the decrease.
Decrease percent = 

There is a 47% decrease in Jane's closet space.
Keywords: decrease, percentage
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Answer: $115.50
Step-by-step explanation:
500.5-385 = x
The answer to the question is 9/45, 8/40