mandy a skill biker is preparing to ride her bike in an upcoming race she will ride her bike for 15 miles the first week, and each week following, she will ride 4% more than the previous week. Using a geometric series formula find the total number of miles Mandy will ride her bike during the first 8 week of training.

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.