Answer:
B. 
Step-by-step explanation:
<em><u>To find the perimeter, use the formula:</u></em>
P = a + b + c
P = 12 + 12 + 9.7
P = 33.7
<em><u>To find area, use the formula:</u></em>
A = 
A = 
A = 
A = 54
The difference would be subtracting the variables and the dividing the difference by 2
178÷2 is 89
Hope this was helpful!
By simplifying given statement we got that if the quotient of
and a number n results in
then n is equal to 
<h3>What is quotient?</h3>
Result obtained after division is called quotient
Here given that "The quotient of 8. 4 times 10 Superscript 9 and a number n results in 5. 6 times 10 Superscript 27"
We can write it as
The quotient of
and a number n results in 
we can write it as

Now we can simplify it as

By simplifying given statement we got that if the quotient of
and a number n results in
then n is equal to 
To learn more about quotient visit :brainly.com/question/673545
Answer:
60 ft
Step-by-step explanation:
3 times 20 is 60 ft so there is your answer