What is equivalent to 11 - ( - 3 5/8)?

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

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Find the values of the variables and the lengths of the sides of this kite.