Tessa grabbed a quick bite to eat during her lunch break. She purchased an $8.50 sandwich and a
lemonade for $1.99. She tipped the barista 15%
and paid a 6% sales tax. Note: The sales tax and
tip are each based on the cost of the food and
drink, only.

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?

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?