Part a: explain why x = 5 makes 4x − 1 ≤ 19 true but not 4x − 1 < 19. (5 points)

part b: what value from the set {6, 7, 8, 9, 10} makes the equation 5x + 2 = 47 true? show your work. (5 points)

"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.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220