Pick a two digit number greater than 25. Rewrite your two digit number as a difference of two number. Show how to use the identity (x - y)^2 = x^2 -2xy + y^2 to square your number without using a calculator

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?