9th grade geometry congruence proofs and reasons please no links will name brainliest will give 50 points to anyone who helps.

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 statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x