Use a net of the square puritans if Jessica ty to find the surface area of pyramid 8 and 8

Find the value of the variable and the length of each secant segment.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

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.