A family of 12 went to the local Italian restaurant for dinner. Every family member ordered a drink and meal,3 ordered an appetizer, and 6 people ordered cake for dessert. a. Write an expression that can be used to figure out the cost of the bill. include the definitions for the variables the server used. (Please use an explanation as well so I can understand what to do) thank you

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)