My three friends and I have dinner together every weekend. Each weekend, two of us cook and the other two clean up afterwards. How many different ways are there for us to choose who cooks and who cleans?

1. Describe what happens when a number is added to its opposite. 2. Write an equation that shows a number c being added to its opposite.

Solve the equation. _-24.0 = - 6.0r R = - 18.0 R = 4.0 R = 2.0 R = 18.0 Multiply. 6 (x + 6) X + 36 6x + 6 6x + 36 X + 12 Write a variable expression for the word phrase "the product of a number z and 7". 7 - z 7 : z 7z 7 + z

Your bill at a café is $26.50. You want to leave a 20% tip for your good service. What is the amount of the tip and the total of your final bill?

An ad features a bicycle on sale for $139. If the total cost of the bike is $147.34, what is the sales tax rate?

Basket with 11 pieces of fruit 4 apples, 5 oranges and 2 bananas. What is the probability that girl I will get an orange and girl beat with an apple?

A=1/2h (B+b); A=68, B=8, b=9

20 hours put into degrees?

Bert skies for 1 3/4 hours Friday night, 5 1/3 hours Saturday, and 3 1/6 hours Sunday afternoon. How many hours did he spend skiing that weekend?

Erin loves to play sports! She has earned 3 tennis trophies, 4 basketball trophies, 7 soccer trophies, and 1 volleyball trophy. What is the ratio of Erin's tennis trophies to soccer trophies?

Underneath the skin and layer fat there is a layer of connective tissue before reaching the muscles. What is this connective tissue called?