Determine by truth tables whether he following logical arguments are valid, or fallacies: p→q, q→r ⊢ p→r

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?