Answer: If you do some research you'll see color change is part of a chemical change, while a phase change is part of a physical change. For example: ice changing into water, or water changing into gas.
Answer:

<h3>
<em><u>x=3 or x=-10</u></em> is the right answer.</h3>
Answer:
D correct
Step-by-step explanation:
The area of the page = 11.7 x 8.5 = 99.45 square inches
divide the number of word by the area:
375 / 99.45 = 3.77 words per square inch ( round answer as needed)
We want the integral of the standard normal from -z to z to be 0.85. Let's look at some standard normal tables and pick the right one.
It's easy to find the Erf one, which is the integral of the unit normal from 0 to z. That will be exactly half of the integral from -z to z. So we look for the z value corresponding to a probability of 0.425 in that table and find
z = 1.44
Answer: 1.44
[figure from Wikipedia]