Which expressions are equivalent to 22c + 33d? a. (−2c−3d)(−11) b. 2(11c− 33/2 d c. (66c+99d)⋅1/3 d. −1×(−22−33d) e. 11⋅(2c+3d) choose 3 answers

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Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Find the value of x for which line a is parallel to line b