Layer Estimates:

Layer: MathematicsAndStatistics (ID:0)
Count: 38
Extent:

XMin: -13722815.606
YMin: 3539447.8727
XMax: 13091.1721000001
YMax: 6837126.5325
Spatial Reference: 102100 (3857)

Layer: Review (ID:1)
Count: 22