It can be applied by making it sound more educated
Answer:
If AB and CD are perpendicular, (slope of AB) x (slope of CD) = -1
9/a = -1
a = -9
Answer:
5 feet
Step-by-step explanation:
12 inches in a foot. so divide 72 by 12 to get 5 feet
A city council has to use its resources to improve either the water supply or the drainage system. At which level is this decision made?
The asnswer is: Government