In the diagram below, de and ef are tangent to o. What is the measure of def

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

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 f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)