Give brainliest what is the meaning of mode in mathmatics

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

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).

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1