A packet contains red, blue and green balloons The ratio of red to blue balloons is 2/3 . The ratio of blue to green baloons is 2:1. Work out the ratio of: red balloons : blue balloons : green balloons Give your answer in the simplest form.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

If the value of cos330°is√3/2 then find cos 165°.

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)