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The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)