If f(x) is an exponential function where f(-2)=8 and f(3.5)=20, then find the value of f(4), to the nearest hundredth.

How do i do this activity, is appreciated

Simplify the expression 10/11(22z) + (a+5) -1

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.