What is 3.61 rounded to one decimal place?

Astudent simplified a rational expression as shown.

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

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.