The volume of a cone is 147pi cm^3. Its radius is 7 cm. What is the height of the cone? I need help

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

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)