Plz ! ! it is a mathematics question, i had attached an picture here.

What is the distance between (–2 1/2,-3) and (1, –3)?

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

Which is the focus of a parabola with equation y2=4x