Ineed finding the degree of rotation for number 5 and 6

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).