Answer: 
Step-by-step explanation:
Two lines are said to be perpendicular if the product of their slope = -1
Given :

to find the slope , we will write it in the form : 
That is


which means that the slope = 
any line that is perpendicular to this line will have slope = -2
using the formula :
, we have





21:15 because 8:40 + 22 minutes = 9:02
Answer:
b > 14
Step-by-step explanation:
2(b - 8) > 12
2b - 16 > 12
2b > 28
b > 14
Answer:
A
Step-by-step explanation:
Answer:
72000 cm
Step-by-step explanation: