What substitution should be used to rewrite x8 – 3x4 + 2 = 0 as a quadratic equation? u = x2 u = x4 u = x8 u = x16?

Find the value of the variable and the length of each secant segment.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Rationalize the denominator- 12x/√x-10