What type of counting problem is this? If Donovan has a toy truck, a ball, a stuffed animal, and an action figure at home and he wants to bring two of them for show-and-tell, how many different pairs of toys can he bring to school? Permutation with repetition Permutation without repetition Combination with repetition Combination without repetition
Permutation with repetition

Permutation without repetition

Combination with repetition

Combination without repetition