In this diagram, lines m and n are parallel.
Please help

9514 1404 393

  70°

Step-by-step explanation:

An external angle is equal to the sum of the remote internal angles. Of course, corresponding angles at the transversal(s) are congruent.

In the attached, we showed the congruent corresponding 50° angles. One could achieve the same result by considering the exterior angle at C to be 120° (corresponding to the one marked as 120°).

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

a.)the line for function b is steeper