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

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Find the zeros of each function. f(x) = x^2 + 5x - 6

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?