Find the product 28. -2/3(-36) 29. 64(-5/8) 30. -4.1(-3.5) 31. (1.1) (-0.5) (-4)

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

What is the frequency of the sinusoidal graph?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?