Answer:
is equivalent to 
In other words:

Step-by-step explanation:
Considering the expression

solving







Therefore,
is equivalent to 
In other words:

Answer:
A and C
Step-by-step explanation:
Perpendicular lines have reciprocal and opposite slopes.
First slope =3,
Second = -3
Third slope = -1/3 (which is opposite and reciprocal to the first)
Last slope = -3
Answer:
2 lessons
Step-by-step explanation:
$25+$50=$75
$25+$50=$75
$75+$75=$150
$150 for 2 lessons not passing the budget of $175
Answer:
18
Step-by-step explanation:
-3(2x-3)
-3x(-6)
-3x-6=18 because the negatives cancel each other out.