What is the common denominator of 1 out of 4 and 2 out of 3?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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