Answer:
x = 21
Explanation:
The two remaining angles must add to 90 degrees since a triangle adds to 180
3x+6 +x = 90
4x+6 =90
4x = 90-6
4x = 84
Divide by 4
4x/4 = 84/4
x = 21
Spent parts washer cleaning solutions are considered a special waste in Illinois because they may be a hazardous waste and are an industrial process waste. Spent solvents are almost always a hazardous waste.
Answer:
1. B. Erie Canal.
2. K. Second Great Awakening.
3. I. Temperance.
4. A. Abolitionism.
5. J. Fredrick Douglass.
6. G. William Lloyd Garrison.
7. C. Grimke Sisters.
8. E. Nat Turner's Rebellion.
9. H. Horace Mann.
10. D. Elizabeth Cady Stanton.
11. F. Seneca Falls Convention.
Acetic acid and ether are pure substance because they can not be further broken down.
<h3>What is a homogeneous mixture?</h3>
A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.
The following is a classification of each of the items;
1- Acetic acid - pure substance
2- Ether - pure substance
3- Vinegar - homogeneous mixture
4- Gravy - colloid
5- Beef stew - colloid
6- Seltzer water - solution
7- Salad - colloid
Learn more about homogenous mixture:brainly.com/question/24898889
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Mising parts;
Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
1- Acetic acid
2- Ether
3- Vinegar
4- Gravy
5- Beef stew
6- Seltzer water
7- Salad
