Every month marissa cell phone carrier charges $30 plus an additional eight dollars for every gigabyte of data she used during that month. let's c representative will cost of her cell phone plan and g represent the number of gigabytes of data used in that month. write an equation relating c to g

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.