OKAY, guys give me a really brilliant explanation on how 2+2=4. It should be 22. It doesn't make sense.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

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