Answer:
F=4?
Step-by-step explanation:
Answer:
slope = 
Step-by-step explanation:
Slope formula: 
Given points:
(1, 2) = (x1, y1)
(9, 6) = (x2, y2)
To find the slope of a line, input the values of two points into the slope formula:

Solve:
6 - 2 = 4
9 - 1 = 8
Simplify:

The slope is
.
Answer:
cos C
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos C =
=
= 