X^2 -x-20=0 solve the equation by completing the square

Dilations map circles to circles and ellipses to ellipses with the same. true or false

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

The length of the shadow of a building is 120 meters, as shown below: building shadow 120 m what is the height of the building? (1 point)