Workout the difference, in minutes, between 1hour and 50 mins and 1 3/4 hours

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).

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Find all the angles that satisfy the equation cos(θ)=32