What is the sum of the measures of the interior angles of a 12-gon?
a-1620°
b-1800°
c-1980°
d-2160

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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30