Which of the following topics is too broad for a 10-minute speech?

a) why our city needs more carpool lanes
b) tips for your next airline flight
c) the benefits of hybrid automobiles
d) modes of transportation

Which is not among the style choices a writer would use, if he or she is trying to establish a formal writing style/

4friends evenly divided up a nn-slice pizza. one of the friends, harris, ate 11 fewer slice than he received.

He united states can produce 200 pillows in one week, while spain and france produce 150 and 100 pillows, respectively, in one week. on the other hand, spain can produce 10 televisions in one week, while the united states and france produce only 5 and 4 televisions, respectively. has an absolute advantage in producing pillows, and has an absolute advantage in producing televisions.