What is mean by infinity in maths

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

The graph of g(x) is a translation of y = which equation represents g(x)?