b is an <span> irrational number between 9 and 10</span>
Answer:

Step-by-step explanation:
The length of a chalkboard, l = 1.7
The width of a chalkboard, b = 0.9 m
We need to find the area of the chalkboard. The formula for the area of a rectangle is given by :

So, the area of the chalkboard is equal to
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-31 because if you do p.e.m.d .a .s
Answer:
The answer is b
Step-by-step explanation:
30,000 - 19,500 = 10,500 gallons left to fill the pool. So I am assuming the answer would be w = 10,500 gallons... unless there was an equation missing in the question