1. Barbara bought 9 dolls. Each doll cost $ 29. How many dollars did she spend on the dolls?   2. Michelle has 16 dolls. Each doll has a black dress, a greendress, and a red dress. How many dresses are there in all?   3. Gary has 38 toy cars. How many total wheels are there on the toy cars?   4. Andy arranges 31 blocks in a tall stack. He makes 9 such stacks. How many total blocks are there in the stacks?   5. Diane multiplied 100 by 9 on her toy calculator. What product did the calculator display?