Barbara is building a wooden cabin. the cabin is 42 meters wide. she obtained a bunch of 27 meters long wooden beams for the roof of the cabin. naturally, she wants to place the roof beams in such an angle that each pair of opposite beams would meet exactly in the middle. what is the angle of elevation, in degrees, of the roof beams?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle