What effect does the k in f(x)= sqrt x+k have on the graph of the square root function sqrt x and why?

Divide reduce the answer to lowest term 3/7 divided 1 1/6

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.