Solve the equation x2 - 2x - 7= 0 by using
the quadratic formula.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

What is the total surface area of this square pyramid?

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