Estoy triste amigos, la chica que me gustaba me dijo que no, y le dediqué la canción de snowman :(

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

Simplify the expression. -2/5(10+15m-20n)

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points