15b. Find the sum of the measures of the exterior angles of a nonagon. A. 180°
B. 1260 °
C. 140 °
D. 360°

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

: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?

Which expression and diagram represent “renee biked four times as far this month as last month”?