Deprina buys a large cup of coffe for $4.70 on her way to work everyday. if there are 24 workdays in the month, how much does deprina spend on coffe through out the entire month?

Next, chad created this graph with ordered pairs that show the possible ratios of the number of damage to defense cards in his deck. what error chad make?

Solve: 3x+y=6 4x-2y=18 show all work !

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.