A house shaped like an octagon has a large porch, what is the area of the house and porch

The highest common factor of 132 and 220

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.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?