Use the graph below to determine which year was the 2nd worst for unit sales

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?