Answer:
10%
Step-by-step explanation:
The change is 90-100 = -10. As a percentage of the original amount, that is ...
-10/100 × 100% = -10%
The change from 100 to 90 is a reduction of 10%.
The minimum height of the patio is <span>#"14 ft."#</span>
<span>4x^2-36x/x-9
= 4x(x-9) / (x-9)
if 4x = 0, ⇒ x = 0
x-9 ≠ 0
zero of function is 0.
</span>
Answers A, C, and D are written in standard form.
Answer B is NOT written correctly in standard form.
