Which answer expresses the ratio as a fraction in simplest form? 18: 24 1/2 2/3 6/7 3/4

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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Write the equation in logarithmic form e^x=403.429