Answer: 7.2
Step-by-step explanation: the some of all angles should equal 180
???/where is what located
Answer:

Step-by-step explanation:
Given,
Side of the square

Therefore, area of the square = side × side



Answer:
7n-6=-20
Step-by-step explanation:
six less than seven times a number
we'll use n as "the number"
six less meaning -6
7 times a number n = 7n
7n-6=-20
Answer:
slope is 6/0 which is undefined
Step-by-step explanation: