Dayanna’s parents sent money to the book fair to be spilt among four children in her family. If the cashier told the children they each had $11.50 to spend, how much money did Dayanna’s parents send to the book fair?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Sketch one cycle if the cosine function y=2cos2theta