Can someone on this problem?
s = na + (n-1)d

Ineed with 14, 16, 28 and 36 me. we didn't go over them in class so i don't know what to do.

Long division the problem is 40 ➗ 348 = ?

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