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In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

For the feasibility region shown below find the maximum value of the function p=3x+2y