Sreya

if base and corresponding altitude of a triangle is 11/2 and 7/3.find the area of the triangle.

find the triple scalar product u . (v * w) for the vectors u = 9i - 7j - 3k v = -6i + j - 5k w = 2i + 8j - 9k a. -877 b. -299 c. -19 d. 0 e. 899

find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. (8, 6, 3) n =i-6j + k a. x - 6y + z - 25 = 0 b. x - 6y + z + 25 = 0 c. x - 6y + z = 0 d. 8x + 6y + 3z - 25 = 0 e. 8x + 6y + 3z + 25 = 0