Decide if each sum is positive or negative. Choose Positive or Negative for each sum. Positive Negative a. -41 + 22 O b. 3.3 + (-3 C. -0.1 + (-513.5) + 513.5 O d + (-0.12) O 10

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 do you find principle and simple interest

How do you solve a question like this?