For a parallelogram with 2 sides at right angles to the other two sides, then with WS =10 and then SZ would equal WS length so SZ = 10 also but SZ=2x-6 so 2x-6=10 and solving for x = 8. That is the answer either if the sides are perpendicular or if WS and SZ are part of the same diagonal.
The bones which has been observed to have sinuses in individuals include the following:
<h3>What is Sinus?</h3>
They are found in the neurocranium part of the body and comprise of system of hollow cavities which form part of the skull which serves as the protective structure of the brain and other organs such as the eyes, nose etc.
The sinus helps to insulate the brain as a result of the delicate nerves which run through it .It also provides the mechanical rigidity of the head which is a vital part of the body.
The bones which have sinuses are the frontal, ethmoid bones etc and are found in the skull region of individuals thereby making it the most appropriate choice.
Read more about Sinus here brainly.com/question/23218528
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The correct answer to public libraries response to to patrons’ increasing desire for e-books is; made a proactive change
<h3>What are proactive changes?</h3>
From the question we see that the public libraries have observed that patrons were now liking e-books more than print books. Thus, they are seeking to use technology to allow people to check out books on their mobile devices.
Now, this attitude of public libraries to allow patrons check out books on their mobile device is called being proactive. Thus, we can say that they made a proactive change by making changes in advance to suit the priorities of the users.
Read more about changes at; brainly.com/question/2147899