1 Next © Solving Equations by Graphing: Mastery Test 1 Select the correct answer from the drop-down menu. Consider the equations y = vt and y = 12 – 1. The system of equations is equal at approximately eset Next (1.5, 1.2) (-1.5, -1.2) (1.5, -1.2) (-1.5, 1.2)

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.