The square root of 81 is 9. 9*9=81. The length is 9 inches.
Answer:
x+13=3x-2. the answer for x is 7.5
Well I don't know if I would recommend the blue I would actually would go for the yellow because it is my favorite color so ya she should pick yellow.
The watre is 16 inches deep so and you can use our volume calculator to calculate the amount of water in the basement.
A: 40 ft by 28 ft by 16 inches gives 11171 U.S. gallons
B: 16 ft by 22 ft by 16 inches gives 3510.9 U.S. gallons
For a total of 14681.9 gallons. At 50 gallons per minute it will take 294 minutes which is about 5 hours and hence with 2 pumps about 2.5 hours.
I hope this helps,