Which choice written in standard from best represents the expression? (3g - 7 + 5g) - (-8g + 4)

A: 11g + 3
B: 16g + - 3
C: 11g + -11
D: 16g + -11

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex