Answer:
Step-by-step explanation:
= 648 the length(12m), width(6m), and height(9m) that all i can give you for now because this got me losing brain sells
The correct answer is C.
Perpendicular lines have opposite reciprocal slopes. This mean you will flip the original number upside down, and change its sign (negative to positive and vice versa). So, the opposite of -1/4 will be 4.