Anumber pattern is shown below. row 2: 8, 10. row 3: 15, 17, 19. row 4: 24, 26, 28, 30. row 5: 35, 37, 39, 41, 43. row 6: 48, 50, 52, 54, 56, 58. a. write an equation that can be used to find d, the difference between the last number and the first number, for any row r. show or explain your work.

Danny draws a transversal, t, on two parallel lines ab and cd, as shown below: he makes the following table to prove that the alternate interior angles are equal: which is the missing justification? (6 points) corresponding angles formed by a transversal on parallel lines are supplementary. corresponding angles formed by a transversal on parallel lines are congruent. co-interior angles formed by a transversal on parallel lines are congruent. co-exterior angles formed by a transversal on parallel lines are congruent.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x