A sociologist working with a population of 1200 peoples notices that the populations had increased by ¼ every year during the study. If the pattern continues, after how many years will the population double? 1
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2-digit numbers less than 91 which are 1 less than a multiple of 10

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes