Solve for the roots of x in each of the equations below. x^4 - 81 = 0 x^4 + 10x^2 + 25 = 0 x^4 - x^2 - 6 = 0

Determine whether the data described are qualitative or quantitative and give their level of measurement if the data are quantitative, state whether they are continuous or discrete. soft drink sizes: small, medium, large. oa. qualitative, nominal o b. qualitative, ordinal- o c. quantitative, ordinal, discrete o d. quantitative, ordinal