Abored 130cm long is trimmed to 104cm . what percentage has been removed ?

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

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]