Answer:
or 
Step-by-step explanation:
The perpendicular slope is the opposite-reciprocal of the original slope:
Perpendicular slope of -2 is 
Write the equation in point-slope form (
):

Convert to slope-intercept form if needed:


I believe b and c don’t have a solution
Answer:
240cm
Step-by-step explanation:
Answer:
Volume = -3x + 27
A 27 gal. tank is drained at a rate of 3 gallons per minute. 27/3 =9. It will be empty in 9 minutes.
1<= x <= 9
Step-by-step explanation: