What is the ordered pair for -4x+7=2y-3

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?