A carpenter built three bookcases, A, B, and C, to stand next to each other along a wall. The total length of the wall is 450 centimeters. The carpenter will build two more bookcases, D and E, along the same wall, these two
bookcases will have equal widths. The widths of bookcases A, B, and C are shown: What is the width, n, for
bookcases D and E.

How do you determine whether a relationship represented as as graph is linear or nonlinear

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).