What are the solutions to 2x^2+7x=4? select all that apply

a.1/2
b.4
c.-1/2
d.-4
e.7
f.-7

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Which representation has a constant of variation of -2.5

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?