How far can he travel in 2 hours 7 minutes?

2-digit numbers less than 91 which are 1 less than a multiple of 10

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).

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.