A. Demontrer que le quadrilatere acdb est parallelogramme en justifiant la reponse ( celle-ci doit contenir entre 10 et 20 mots)

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11