Answer:
slope = -2
Step-by-step explanation:
(-5,2) (-8,8)
equation to find slope: 
=
=
= -2
A.12 because i had same question
<span />
Answer:

Step-by-step explanation:
40ab is 40 multiplied by a multiplied by b
Answer: The required value of y is 19.
Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :

Comparing equations (i) and (ii), we get

From equation (i), we get

Thus, the required value of y is 19.
answer is 13 but I can't understand the question
I think there is no correct answer in this question!
you can solve this by analytic geometry rules easily!!