Hii Please help this is so hard

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

How do you determine if an ordered pair is a solution to a given equation?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by