Help please .,,.,

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.