She can make 12 different combinations.
If she used three different colors for the keychain, there's still 4 other colors left.
4 x 3 = 12
Number of all possibilities -

number of codes starting with A -

the probability is
Answer: $132.58 letter A
Step-by-step explanation:
I believe its the second one y=1/2e^x im sorry if im wrong
Answer:
Step-by-step explanation:
