The total number of bulbs the landscape contractor planted is 29,928 so the answer is D.
100% -30% = 70 x 100 x sales tax
Given:

To find:
The value of
.
Solution:
We have,

It can be rewritten as

![[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]](https://tex.z-dn.net/?f=%5B%5Cbecause%20%5Csqrt%7Bab%7D%3D%5Csqrt%7Ba%7D%5Csqrt%7Bb%7D%5D)


Putting
, we get


Therefore, the value of given expression is 15.554.
You need to find the slope
251-248. 3
------------- = --------
2005-1965. 40