Aladder leaning against the side of a building touches the building at a point 12 meters from the ground. if the foot of the ladder is 18 meters from the base of the building, what is the slope of the ladder?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Having a hard time understanding this question (see attachment).