Apet supplier has a stock of parakeets of which 20% are blue parakeets. a pet store orders 3 parakeets from this supplier. if the supplier selects the parakeets at random, what is the chance that the pet store gets exactly one blue parakeet?

What is the product of the radical expression. (7-2square root) (8+2 square root)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil