The answer in it's simplest form is 297/380. This is just simple number crunching on a scientific calculator. They are really helpful. If you don't have one, change both mixed fractions into improper fractions. Then multiply one number by the reciprocal of the other. You don't even need a common denominator.
The area of the window is about 42.39 square feet
1 feet =12 inches
And 6 inches = 1/2 feet
13 1/2*3.14=42.39 feet²
The area of the window is about 508.68 square inches
1 feet =12 inches
And 13 feet*12= 156 inches
156 inches + 6 inches = 162 inches
Then, 162*3.14=508.68 inches²
Answer:
-1
Step-by-step explanation:
x+x+2x=-2-2
4x=-4
x=-1