Why does the following statement
show that polynomials are not
closed under division?
( 2 + 3y + 1) = (y + 2) = y +1+-1/
y+2

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?