For each of these intervals, list all its elements or explain why it is empty. a) [a, a] c) (a, a] e) (a, b), where a > b b) [a, a) d) (a, a) f) [a, b], where a > b

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

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.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41