*will award brainleist plz help*

Determine the solution and the reasoning that justifies the solution to the systems of equations.

(-4, 6), because both the equations are true for this point

(2,8), because the graph of the two equations intersects at this point

(2,8), because neither of the two equations is true for this coordinate point

(-4, 6), because the graph of the two equations intersects the axis at these points

right

step-by-step explanation:

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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step-by-step explanation: