Vocabulary How do you know if an equation represents a proportional relationship? Use the drop-down menu to show your answer.

If an equation can be written in the form BLANK
, then it shows a proportional relationship.

True or false? a triangle can be circumscribed about a given circle

Two lines parallel to a third line are parallel to each other. always sometimes or never

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