How much did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack
that cost $42 with a sales promotion of 10% off?
o $1.80
o $3.00
$4.80
$6.90
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Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

Based on the narrator's comments about living with the widow douglas, the reader can infer that a) the narrator doesn't care much for civilization and its strict rules. b) the narrator admires and wants to become more civilized and refined. c) the narrator is extremely religious and of high moral standing. d) the narrator desires to become a productive member of society.

The structure of adenosine triphosphate (atp) is shown here. which statement best explains how energy stored in the chemical bonds of atp can be released.