(40 Points)

Solve each equation by completing the square.If necessary,round to the nearest hundredth.

10.) b2+10b=75

11.) y2-18y=63

12.) n2-20n=-75

13.) a2+16a=-15

14.) t2+8t-9=0

15.) h2-12h-9=0

(40 Points)

Solve each equation by completing the square.If necessary,round to the nearest hundredth.

10.) b2+10b=75

11.) y2-18y=63

12.) n2-20n=-75

13.) a2+16a=-15

14.) t2+8t-9=0

15.) h2-12h-9=0