What is the definition of a traditional, market, command, and mixed economy? Provide examples of each economy (tell me who would produce, how to produce, and for whom to produce).

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*