Ineed finding x. not really sure what to do.

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

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