Which could be the first step in simplifying this expression? Check all that apply.

(x cubed x Superscript negative 6 Baseline) squared
(x Superscript negative 18 Baseline) squared
(x Superscript negative 3 Baseline) squared
(x Superscript negative 2 Baseline) squared
x Superscript 6 Baseline x Superscript negative 12 Baseline
x Superscript 5 Baseline x Superscript negative 4

Part b: which detail from the speech best supports the answer to part a? a. “i have heard much about the sexes being equal; i can carry as much as any man, and can eat as much too, if i can get it.” (paragraph 5) b. “you need not be afraid to give us our rights for fear we will take too much, for we can't take more than our pint'll hold.” (paragraph 8) c. “i can't read, but i can hear. / i have heard the bible and have learned that eve caused man to sin.” (paragraphs 12-13) d. “through god who created him and woman who bore him. / man, where is your part? ” (paragraphs 19-20)