An annuity pays out $3000 at the beginning of each year in perpetuity. If the interest is 6% compounded annually, find: a/ The present value of the whole annuity;

b/ The present value of the annuity for payments received, starting from the end of 20th year.

plzz help me. i need this for my exam

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.