Find the elapsed time between 6: 39 a. m. and 9: 20 a. m. 2 hours, 19 minutes 2 hours, 41 minutes 3 hours, 19 minutes 3 hours, 41 minutes.

a) 2 hours, 19 minutes
b) 2 hours, 41 minutes
c) 3 hours, 19 minutes
d) 3 hours, 41 minutes

need answers quick! : )
12 pts.

The product of two negative rational numbers is always zero sometimes zero never zero

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.

Secant be and cf intersect at point d inside a what is the measure of cde