On a test that has a normal distribution, a score of 64 falls one standard deviation below the mean, and a score of 70 falls one standard deviation above the mean.
Determine the mean of this test.

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 difference between regular convex and concave polygons

Are you guys willing to me with these last 8 questions on my homework for math reply to this question that i posted