The formula of a slope:

We have the points A(-7, a) and B(c, d).
Substitute:

Exception: c ≠ -7.
Answer:

Step-by-step explanation:
Using the rule of exponents
⇔
, then
=
= 
Answer:
125
Step-by-step explanation:
Area of trapezoid = 
Bases = 11 and 14
(11+14)=25
25/2=12.5
12.5 x 10 = 125
A. Qualitative
Bc it includes colors