Acannonball was shot from the ground into the air with an initial velocity of 160 feet per second. at what time is the cannonball at 400 feet?

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.

For the equations below which statement is true ? -2x=14 6x=-42

X2 + y 2 = 36 x + y = 6 solve the system of equations.