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4q^2-44=0 4q^2=44 q^2=11 q=sqrt(11)

-2z-4<12 -2z<16 z>-8

|4y+5|=8 4y+5=8 4y=3 y=3/4

4y+5=-8 4y=13 y=-13/4

C(200)=200+.07(200)+.19(200)