Answer:
6,226 tiles of 9 in are needed to cover an area of 400 square feet
Step-by-step explanation:
Let
A -----> an area in square feet
t(A) ---> the total number of 9 in. tiles needed
we have

For A=400 ft^2
substitute in the equation and solve for t


That means -----> 6,226 tiles of 9 in are needed to cover an area of 400 square feet
Answer:
1817
Step-by-step explanation:
2000 - 175 = 1825 and 8 years of digging 1817
The answer is D complete the square
Answer:
Your answer is 9x+2
Step-by-step explanation:
All you have to do is add like terms, for example, all of them that have X you can add them up,