i think its 2.5 because 15/6= 2.5 so 2.5t=h and the equation is kt=h so 2.5 makes the most sense.
I hope this helps
One such polynomial might be

Another with the same roots would be
Answer:
64%
Step-by-step explanation:
.64 is equal to 64%
In order to convert move the decimal over two spaces and add a percent sign (%).
Move the decimal 0.64 to 64 and add percent sign 64%.