Answer:
A
Step-by-step explanation:
because the answer is A
Step-by-step explanation:
B Represent 
Let w and l be the length and height of the rectangle.
We know that:

Substitute the first equation in the second:

Use the first equation to compute the length:

So, length = 7 cm; width = 6 cm
Answer:
77,786.251
Step-by-step explanation: