Which of the following statements concerning the cubic unit cell is/are correct? 1. for cubic unit cells, three cell symmetries occur: primitive cubic, face-centered cubic, and body-centered cubic. 2. the cell edges of a cubic unit cell are all equal in length. 3. the corner angles of a cubic cell are 90°.

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.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Evaluate the expression. (9 + 5)(3 + 2)0