Please help i just dont feel like doing it.Does this sentence rely on the denotation or connotation of the italicized word?

Measures of the angle of r, 31 s (x+4) t (3x+9)

What is the result of adding the system of equations? 2x+y=4 3x-y=6

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