A barrel holds 60 gallons of liquid. The barrel is leaking at a steady rate of 1/8 of gallon per hour. After how many days will the barrel be half filled? A. 10 days
B. 5 days
C. 24 days
D. 48 days

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.)

Use the graph of the sine function y=2sinθ shown below

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?