The ratio of the corresponding side lengths of two similar posters is 7 In : 20 in. What is the
ratio of the perimeters? (Do NOT write your answer as a fraction)
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A dolphin in an aquarium is 12 feet long. A scale model of the dophine is 3.5 inches long. What
is the scale factor of the model? (Do NOT write your scale factor as a fraction)
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For the equations below which statement is true ? -2x=14 6x=-42

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

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