What are the solution(s) to the quadratic equation x2 – 25 = 0? x = 5 and x = –5
x = 25 and x = –25
x = 125 and x = –125
no real solution

How to do this , and can some one explain

True or false? a circle could be circumscribed about the quadrilateral below.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample