Show that the system of equation has no solution x + 5y + 4z +13w = 3 3x + y + 2z + 5w = 2 2x + 2y + 3z - 4w = 1

Which expression is equivalent to 2x^2+7x+4?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6