If an object is dropped from a height of 55 feet, the function d =-1682 +55 gives the height of the object after t seconds. Graph this function. Approximately how long does it take the object to reach the ground (d=0)?

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Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in