you are practicing your skills at building a house of cards. the world record for the tallest free standing house of cards is over 25 feet high! use the picture of the house of cards shown to answer the questions that follow.
how can you find the number of cards needed for any row number?
justify your answer.

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

17 in long 1.3 ft wide and 8in high what is the volume

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?