Sara kept track of the number of hours that she spent practicing piano each week for several weeks. She spent 4,
6,7,5, and 8 hours,
What is the mean number of hours that Sara spent practicing piano each
week?
O A. 6 hours
OB. 4 hours
O C. 5 hours
O D. 30 hours

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Which of the following is the shape of a cross section of the figure shown below