Trapezoid ABCD was dilated to create trapezoid A'B'C'D'.
Which statements are true about the trapezoids? Select
three options.
The length of side AD is 8 units.
The length of side A'D' is 4 units.
The image is larger than the pre-image.
Sides CD and C'D' both have the same slope, 2.
The scale factor is
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Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Simplify the expression. -2/5(10+15m-20n)

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem