Which of the following can increase the clarity

Verify each identity[tex] \frac{csc}{cot \: x \: + \: tan \: x} = cos \: x[/tex]

Which of the following "invisible" marks represents an inserted tab?

The police department is excited to have some new motorcycle units. one officer said that these motorcycles can go from 0 miles per hour to 80 miles per hour in just 6 seconds. the officer is describing the motorcycle's a. average speed. b. distance. c. average velocity. d. acceleration.