Distribute and simplify the radicals below.
(v12 +-v2)
-1872-676
-675-273
-675+273
1873 +675

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

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