Answer:
see explanation
Step-by-step explanation:
5x² + 5x + 3 = 0 ← in standard form
with a = 5 , b = 5 , c = 3
Solve using the quadratic formula
x = 
= 
= 
= 
= 
= 
Then
x =
±
i
, that is
x = -
-
i
, -
+
i
12/-30=8x
cross multiply
12x=-240
x=-20
Answer: 4x4=16-7=9gallons
She will order 9 gallons
Step-by-step explanation:
Answer:
C, 7 1/2
Step-by-step explanation:
You add all of the fractions together.
the first one ((x+8, y+2), r x-axis)