What is the gcf of any two consecutive numbers such as 15and 16​

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

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