T or F an angle whose vertex is at the center of a circle is a middle angle of that circle

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11