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Solve: {x} cm+{y} cm+1 cm

A patch test must be given 10 to 24 hours before coloring the hair.

What are used primarily on pre-lightened hair to achieve pale, delicate colors?

What determines how the hair will react to the color formula and how long the formula should be left on the hair?

What are powdered lighteners that cannot be used directly on the scalp?

Is your final for COS 115 on May the 5th?

In a two-step process the 1st step is to pre-lighten, and the 2nd step is to tone.

A hydrogen peroxide developer is an oxidizing agent that, when mixed with an oxidation haircolor, supplies the necessary oxygen gas to develop the color molecules and create a change in natural hair color.

To achieve a very light, pale blond, it is recommended that you use a single process application.

Click Show Instructions first!                                  Exam Instructions  (1) There are six (6) questions in this final exam. Each question includes two or three sub-questions, Parts (a) and (b) (and (c) if there is (c) ) of this problem are NOT related and can be solved independently from each other. If you don’t know how to solve part (a), you should still attempt to answer part (b) (and (c) if there is (c)). See the following question table. (2) You may click om “Next” to view next question. Please write each question on one page of paper, mark the question number and sub-question number clearly, and write your full name, student ID on top of each page of your solutions. (3) After you have completed the exam, scan all pages of your solutions using your cellphone (one page per question) to a PDF file. Then you can use your cellphone Gmail to send the pdf file to yourself, you may download the pdf file through your computer Gmail account. Then you can upload the pdf file to Gradescope. You will have 30 minutes (9:00-9:30pm EST) after the exam is over to upload the PDF file to Gradescope. (4) Show all of your work, and be sure to organize it well. (Answers given without proper justification may receive 0 credit.) (5) Click on “Submit Quiz” once you have uploaded your solution on Gradescope. Please do not click on “Submit Quiz” before submitting your solution to Gradescope. Otherwise, you exam is very possible void.   (6) If you have any question from HonorLock, you may click the purple balloon on the lower right corner, one of HonorLock agents will answer you soon. If you have any question about the exam, you may send me an email at jinguo@umass.edu.