Which are the lengths of the sides of a scalene triangle? A. 7 mm, 4 mm, 7 mm
B.3 mm, 3 mm, 3 mm
C. 2 mm, 8 mm, 8 mm
D.6 mm, 9 mm, 4 mm

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.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount