An example of self-promotion is: O A. submitting your sister's poem to a magazine.
O B. posting a video of yourself singing a song.
O C. looking at pictures of stars on the Internet.
O D. following one celebrity's tweets on Twitter.

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

Quantitative means numbers (think quantity/amount)qualitative means descriptive (think quality)so the correct answer is: (none of these make sense)the best answer is b.  what do you think about sandwiches without mustard?