Someone please help me its due today plesse!!!❤

Answer:
c = 90.25 or 361/4
Step-by-step explanation:
to find the perfect square, take the "b" term (ax^2 + bx + c), divide by 2 and square it.
[tex](\frac{-19}{2}) ^{2}[/tex]
depends on the method asked
361/4 or 90.25