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Katerina Rosa
Answers (2)
x^2-20=0 +20 +20 x^2=20 (Radical sign) x= (radical sign) 20 factors of 20= 4 * 5= 2*2*5 answer: 2(radical sign) 5
something times $11.50= $483 11.50(x)=483 483/11.50= x x=42 42 hours your welcome.
