What system of equations does not have the same solution

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?