Demuestra que los puntos (1,1),(5,3),(8,0)(4,−2), son vértices de un paralelogramo. Además, obtenga su ángulo obtuso, perímetro y área. Si me lo pueden explicar les agradecería mucho u. u

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Which of the following represents the range of the graph of f(x) below

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test