A sample of college students participated in a sleep study. The amount of REM sleep was recorded before and after an experimental drug was administered. The two samples of REM sleep time are compared to determine how much of a difference the new drug made.

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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