Write the correct algebraic expression for each word phrase. a number k minus 9, a number s plus 7, 12 more than a number r,

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.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2