the possibilities are probably b, using the elimination method
U^16 is the answer to this problem
Answer:
Step-by-step explanation:
<u> 4km</u>
*
* 
4km ÷ 10.73 km/hr = .37 hr = 22.3 minutes
Idk but the web always helps me so you can ask that question online
Present area = 120 * 80 = 9600 ft^2 so the new area will be 9600 + 4400 = 14000
So if increase in length = x we have
(x + 120)(x + 80) = 14,000
x^2 + 200x + 9600 - 14000 = 0
x^2 + 200x - 4400 = 0
x = 20 feet answer