Find the greatest common factor using the “ cake” method 42 and 30

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.