9.If a = 1 + 3jand 5 = 27 + 1. Find the angle between aand b.​

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?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?