X^2 - 81y^2

can someone please answer this ?​

How are sas and sss used to show that two triangles are congruent?

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Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.