Step-by-step explanation:
all steps are in picture
Answer:
$6
Step-by-step explanation:
divide 18 into three
18÷3=6
Answer:
Alyssa=225
Eric=680
Step-by-step explanation:
Answer:
The answer to your question is below
Step-by-step explanation:
Part A.
-3x + 7y = 13
Solve the equation for "y"
7y = 3x + 13
y = 
Part B.
Two lines are parallel if their slopes are the same
Two lines are perpendicular if their slope are opposite reciprocals
Slope of the first line = 
Slope of the second line = 
Conclusion: the lines are parallel because their slopes are the same.
425 / 50 = 8,5
There you go.