An animal shelter has 15 cats and 12 dogs available for adoption. the shelter wants to select 6 cats and 4 dogs to feature in the adoption newsletter. in how many ways this can be done?

2,477,475

Step-by-step explanation:

choose 6 cats out of 15     and    choose 4 dogs out of 12

            ₁₅C₆                         x                     ₁₂C₄

           5005                       x                     495

= 2,477,475

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb