What properties allow transformations to be used as problem solving tools?

Trapezoid abcd is an isosceles trapezoid, ad||cb, a diagonal line runs from angle d to b. angle cdb is 50 degrees and angle dab is 70 degrees, find the remaining angle degrees for angles bda, dba, bcd, and dcb.

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.

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.