in an experimental design, the variable the researcher has control over and that is different for the treatment and control groups is called the

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

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.