Which of the following is the same as 2x-3y-z (-2x)-3y-z 2x-(3y-z) 2x+(-3y)-z 2x+3y-z

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

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