Use substitution to solve the system of equations.

y = 4.5x + 7.5

y = - 3.5x - 4.5

A. x = - 1.5, y = - 0.75

B. x = 1.5, y = 0.75

C. x = 1.5, y = - 0.75

D. x = - 1.5, y = 0.75

If LMN is dilated by a scale factor of 0.5, which of the following statements is not true? A. The sides of LMN are congruent to the sides of L'M'N'. B. L'M'N' is smaller than LMN. C. LMN is similar to L'M'N'. D.

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