The blue pen is 12 cm long the red pen is 72 mm long what is the difference between the 2 pens?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?