¿Puedes o no utilizar el producto notable estudiado, cuando los binomios que se multiplican son: (3x+2a)(3x+5a)?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?