What is the value of pi

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

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?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?