Which polynomial function has a leading coefficient of 1 and roots (7 + 1) and (5 - 1) with multiplicity 1?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

See attachment below and find the equivalent of tan(∠qsr)