Answer:
Correct choice is D
Step-by-step explanation:
The slope of the line
is
Perpendicular lines slopes satisfy the condtion:
then the slope of the perpendicular line is 
The equation in point-slope form of the line that passes through the point (-1, 5) is

Answer:
13 i think
Step-by-step explanation:
Answer:
Alicia has 9 dollars and Haley has 13 dollars.
Step-by-step explanation:
Let Alicia's money be
. Hence, Haley's money will be
Together:
.
Therefore, 
Subtract 4 from both sides:

Thus,
. Alicia has 9 dollars.
Haley's amount:
.
F(x) = 7x − 13
To find f(-x) , just replace x with -x:
f(-x) = 7(-x) - 13
f(-x) = -7x -13
Which ever one of those that doesnt have a decimmal