During the spring concert there will be 12 choral pieces,4 solo performances, and 3 dance routines. show all thre forms of the ratio

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning