A i belive
Hope this helps
Answer: (-0.4, 6.8)
The graph is attached
Step-by-step explanation:
We can find the axis of symmetry using the formula x = -b/2a
x = - -4/2(-5)
x = 4/-10
x = 0.04
Substitute for x and calculate y
y = 
y = 6.8
Answer:
c
Step-by-step explanation:
because it would have many solutions
Answer:
80%
Step-by-step explanation:
We first have to make this fraction into a percent
4/5 is equal to 80/100
80/100 is the same as 80% out of 100 so...
the answer is 80%