Ben bought a total of 11 pizzas for his class party. The amount of large pizzas was one less than twice the amount of medium pizzas. How many large pizzas and how many medium pizzas did he buy?

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?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent