Apool company has learned that, by pricing a newly released noodle aat $2, sales will reach 20,000 noodles per day during the summer. raising the price $6 will cause the sale to fall to 16,000 noodles per day. [the line must pass through (2,200000$ and ( 6,16000)]

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?

Through: (-3,-3) parallel to y= 7/3x+3

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).