Aiutami con la mia matematica una lampada è in vendita e il suo prezzo è ridotto da $ 80 a $ 50. qual è la percentuale di diminuzione? 0.3 0.375 0.625 30 37.5 62.5 kevin compra 4 sedie pieghevoli. ogni sedia costa $ 13,50. l'imposta sulle vendite è del 6,5%. qual è l'importo delle tasse di vendita per gli acquisti di kevin? inserisci la tua risposta nella casella.

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

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 equation results from adding the equations in this system? x+6y=9 and -x+2y=-15