A sequence can be represented by an= 3 + an-1. If a1 = 2, which expression could be used to represent the same sequence? A - 3 - n
B - -1 + 3n
C - -3 + 2n
D - -2 + 2n

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.