His collection contains two types of cards. a pack of trading card a cost $4, and a pack of trading card b cost $7. how many packs of each type of trading card were purchased if the total number of packs is 11.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?