Les résultats des élèves à un test sont distribués normalement avec une moyenne de 300 et un écart type de 40. Quelle est la probabilité que le résultat à ce test obtenu par un élève choisi au hasard soit entre 256 et 282?

Which value of c would make he following expression completely factored? 8x+cy

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no