Lily is standing at horizontal ground level with the base of the sears tower. the angle formed by the ground and the line segment from her position to the top of the building is 15.7°. the sears tower is 1450 feet tall. find lily's distance from the sears tower to the nearest foot.

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?