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for integer values of n

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Why do interests rates on loans to be lower in a weak economy than in a strong one