Ken has 7 baseballs. Each baseball weighs 0.3 pound . Ken wants to use this model to find the total weight of the baseballs. Each hundredths block in the model represents 1 whole .

Which of the following contains a variable?

How many ordered pairs of positive integers satisfy xy=32?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.