Question: 7. (6pts) An aquarium that is shaped like a rectangular prism has a length of 65 cm, a width of 22cm, and a height of

7. (6pts) An aquarium that is shaped like a rectangular prism has a length of 65 cm, a width of 22cm, and a height of 45 cm. The aquarium is 4/5 full of water. When a rock is placed in the aquarium, the water level rises 1/4 inch. (a) Find the volume of the rock. (b) About how many rocks of this size can you place in the aquarium before water spills out? (Do not guess. Justify your answer with mathematics.) 8. (1pt) Which formula would be the best to find the area of a rhombus? (Choose only one.) (a) The formula for the area of a square. (b) The formula for the area of a rectangle. (c) The formula for the arca of a parallelogram. (d) The formula for the arca of a trapezoid

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