8. x =108 degree
9. x =14 degree
10. Area = 283.385cm2
9. x =14 degree
10. Area = 283.385cm2
The bake sale only sold two items. Cookies cost $2 and mini pies cost $5. Josie bought twice
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<em>For another information, when D > 0, there are 2 real roots.</em>
<em>When D = 0, there is only one real root.</em>
<em>And when D < 0, there are no real roots (also known as imaginary.)</em>