Which of the following statements is true? A. The components of a vector must be nonzero.
B. Avector's magnitude is equal to the sum of the squares of its components.
C. The magnitude of a vector is never negative.
D. The direction of a vector is always less than the magnitude.

If the measure of xyz is 81 what is the measure of yz

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5