This is a function. I dont know how to do this. Does anyone know what the answer is?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

If a is a nonzero real number then the reciprocal of a is