Step-by-step explanation:
line A and D are parallel because they have the same koeficient 3=3
line C is perpendicular to line A because
k1*k2=-1
3*(-1/3)=-1
which is a true statement
Answer:
Suzanne is incorrect.
Step-by-step explanation:
To figure out if the two equations are equivalent, we can simplify each one of them.
Simplifying the first equation, we get:

Simplifying the second equation, we get:

Now that both equations are simplified, we can see that the equations are not equivalent. Suzanne is incorrect.
Answer:
No solution is possible
Step-by-step explanation:
You didn't indicate the number of adults and children.
Isolate the variable by dividing each side by factors that don't contain the variable.
X = 5