Marcus is building a scale model of a skyscraper using the ratio 2:225. If the width of the skyscraper is 405 feet, what is the width of the model?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.