Aboat can travel 48 miles downstream in 4 hours and can make the return trip in 6 hours. find the speed of the boat in still water.

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).

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents