If 2a+3y=134 and 3a+2y=146 and a is the same in each equation and y is the same in each equation what is y

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).