A 450-gallon tank full of water is draining at a rate of 20 gallons per minute. Write an equation that represents the relationship between the gallons of water in the tank and minutes the tank has been draining. Remember to define x and y .

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}