Need help with this Statistics problem ASAP, PLEASE

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25