Which expression shows you how you can use mental math to simplify the expression 9x15x2 most easily? a. (15x9)x2 b. (9x15)x2 c. 2x(9x15) d. 9x(15x2)

Which of the following statement about pascal's triangle are true?

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.

How would you find the height of points on the circle? the topic is trigonometry.